125222999894784 has 180 divisors, whose sum is σ = 407337085469160. Its totient is φ = 37946363535360.

The previous prime is 125222999894771. The next prime is 125222999894807. The reversal of 125222999894784 is 487498999222521.

125222999894784 is a `hidden beast` number, since 1 + 2 + 52 + 2 + 2 + 9 + 9 + 98 + 9 + 478 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274268169 + ... + 274724360.

It is an arithmetic number, because the mean of its divisors is an integer number (2262983808162).

Almost surely, 2^{125222999894784} is an apocalyptic number.

It is an amenable number.

125222999894784 is an abundant number, since it is smaller than the sum of its proper divisors (282114085574376).

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

125222999894784 is an equidigital number, since it uses as much as digits as its factorization.

125222999894784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548992568 (or 548992545 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 81.

The spelling of 125222999894784 in words is "one hundred twenty-five trillion, two hundred twenty-two billion, nine hundred ninety-nine million, eight hundred ninety-four thousand, seven hundred eighty-four".