125635268412 has 72 divisors (see below), whose sum is σ = 334365791760. Its totient is φ = 39665617920.

The previous prime is 125635268389. The next prime is 125635268417. The reversal of 125635268412 is 214862536521.

125635268412 is a `hidden beast` number, since 1 + 2 + 5 + 635 + 2 + 6 + 8 + 4 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125635268417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3581068 + ... + 3615980.

It is an arithmetic number, because the mean of its divisors is an integer number (4643969330).

Almost surely, 2^125635268412 is an apocalyptic number.

125635268412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125635268412 is an abundant number, since it is smaller than the sum of its proper divisors (208730523348).

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

125635268412 is a wasteful number, since it uses less digits than its factorization.

125635268412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40203 (or 40198 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 125635268412 in words is "one hundred twenty-five billion, six hundred thirty-five million, two hundred sixty-eight thousand, four hundred twelve".