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120212110101020 = 2257858657929293
BaseRepresentation
bin11011010101010100010000…
…000111101100101000011100
3120202122011110122100120222212
4123111110100013230220130
5111224023400141213040
61103400403032255552
734215016103250140
oct3325242007545034
9522564418316885
10120212110101020
1135337740257563
1211595ab45415b8
13520cc5164c9a2
14219842362d220
15dd6ed5d47d65
hex6d55101eca1c

120212110101020 has 24 divisors (see below), whose sum is σ = 288509064242784. Its totient is φ = 41215580606016.

The previous prime is 120212110101007. The next prime is 120212110101023. The reversal of 120212110101020 is 20101011212021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120212110100986 and 120212110101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212110101023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429328964507 + ... + 429328964786.

It is an arithmetic number, because the mean of its divisors is an integer number (12021211010116).

Almost surely, 2120212110101020 is an apocalyptic number.

120212110101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212110101020 is an abundant number, since it is smaller than the sum of its proper divisors (168296954141764).

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

120212110101020 is a wasteful number, since it uses less digits than its factorization.

120212110101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858657929309 (or 858657929307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120212110101020 its reverse (20101011212021), we get a palindrome (140313121313041).

The spelling of 120212110101020 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred ten million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 858657929293 1717315858586 3434631717172 4293289646465 6010605505051 8586579292930 12021211010102 17173158585860 24042422020204 30053027525255 60106055050510 120212110101020