126858576972 has 24 divisors (see below), whose sum is σ = 296012430000. Its totient is φ = 42284894656.

The previous prime is 126858576959. The next prime is 126858576979. The reversal of 126858576972 is 279675858621.

It is not an unprimeable number, because it can be changed into a prime (126858576979) 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, 297154 + ... + 584822.

It is an arithmetic number, because the mean of its divisors is an integer number (12333851250).

Almost surely, 2^126858576972 is an apocalyptic number.

126858576972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126858576972 is an abundant number, since it is smaller than the sum of its proper divisors (169153853028).

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

126858576972 is a wasteful number, since it uses less digits than its factorization.

126858576972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324425 (or 324423 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 66.

The spelling of 126858576972 in words is "one hundred twenty-six billion, eight hundred fifty-eight million, five hundred seventy-six thousand, nine hundred seventy-two".