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120212010000 = 2432541335689
BaseRepresentation
bin110111111110100110…
…0011011010000010000
3102111021210002211112200
41233331030123100100
53432143233310000
6131120304323200
711453652140235
oct1577514332020
9374253084480
10120212010000
1146a886003a5
121b36a913500
13b44a0b8084
145b6557378c
1531d88d3500
hex1bfd31b410

120212010000 has 150 divisors (see below), whose sum is σ = 420399077670. Its totient is φ = 32056512000.

The previous prime is 120212009969. The next prime is 120212010001. The reversal of 120212010000 is 10212021.

It can be written as a sum of positive squares in 5 ways, for example, as 79632324864 + 40579685136 = 282192^2 + 201444^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120212010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 577845 + ... + 757844.

Almost surely, 2120212010000 is an apocalyptic number.

120212010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212010000 is an abundant number, since it is smaller than the sum of its proper divisors (300187067670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120212010000 is a wasteful number, since it uses less digits than its factorization.

120212010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335723 (or 1335699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120212010000 its reverse (10212021), we get a palindrome (120222222021).

The spelling of 120212010000 in words is "one hundred twenty billion, two hundred twelve million, ten thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 625 720 750 900 1000 1125 1200 1250 1500 1800 1875 2000 2250 2500 3000 3600 3750 4500 5000 5625 6000 7500 9000 10000 11250 15000 18000 22500 30000 45000 90000 1335689 2671378 4007067 5342756 6678445 8014134 10685512 12021201 13356890 16028268 20035335 21371024 24042402 26713780 32056536 33392225 40070670 48084804 53427560 60106005 64113072 66784450 80141340 96169608 100176675 106855120 120212010 133568900 160282680 166961125 192339216 200353350 240424020 267137800 300530025 320565360 333922250 400706700 480848040 500883375 534275600 601060050 667844500 801413400 834805625 961696080 1001766750 1202120100 1335689000 1502650125 1602826800 1669611250 2003533500 2404240200 2504416875 2671378000 3005300250 3339222500 4007067000 4808480400 5008833750 6010600500 6678445000 7513250625 8014134000 10017667500 12021201000 13356890000 15026501250 20035335000 24042402000 30053002500 40070670000 60106005000 120212010000