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120212001012 = 22310017666751
BaseRepresentation
bin110111111110100110…
…0011001000011110100
3102111021210002101012210
41233331030121003310
53432143233013022
6131120304213420
711453652102105
oct1577514310364
9374253071183
10120212001012
1146a885a4674
121b36a90a270
13b44a0b3c5c
145b655703ac
1531d88d0a0c
hex1bfd3190f4

120212001012 has 12 divisors (see below), whose sum is σ = 280494669056. Its totient is φ = 40070667000.

The previous prime is 120212000959. The next prime is 120212001059. The reversal of 120212001012 is 210100212021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10017666751 = 120212001012 / (1 + 2 + 0 + 2 + 1 + 2 + 0 + 0 + 1 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008833364 + ... + 5008833387.

Almost surely, 2120212001012 is an apocalyptic number.

120212001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212001012 is an abundant number, since it is smaller than the sum of its proper divisors (160282668044).

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

120212001012 is a wasteful number, since it uses less digits than its factorization.

120212001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017666758 (or 10017666756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120212001012 its reverse (210100212021), we get a palindrome (330312213033).

The spelling of 120212001012 in words is "one hundred twenty billion, two hundred twelve million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 10017666751 20035333502 30053000253 40070667004 60106000506 120212001012