126255156012 has 18 divisors (see below), whose sum is σ = 319144977788. Its totient is φ = 42085051992.

The previous prime is 126255155953. The next prime is 126255156031. The reversal of 126255156012 is 210651552621.

126255156012 is a `hidden beast` number, since 1 + 2 + 625 + 5 + 15 + 6 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×126255156012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3507087667 = 126255156012 / (1 + 2 + 6 + 2 + 5 + 5 + 1 + 5 + 6 + 0 + 1 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1753543798 + ... + 1753543869.

Almost surely, 2^126255156012 is an apocalyptic number.

126255156012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126255156012 is an abundant number, since it is smaller than the sum of its proper divisors (192889821776).

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

126255156012 is a wasteful number, since it uses less digits than its factorization.

126255156012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507087677 (or 3507087672 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 126255156012 in words is "one hundred twenty-six billion, two hundred fifty-five million, one hundred fifty-six thousand, twelve".