1252539907092 has 72 divisors (see below), whose sum is σ = 3268662156032. Its totient is φ = 403997414400.

The previous prime is 1252539907001. The next prime is 1252539907111. The reversal of 1252539907092 is 2907099352521.

1252539907092 is a `hidden beast` number, since 12 + 5 + 2 + 539 + 9 + 0 + 7 + 0 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10083828 + ... + 10207284.

Almost surely, 2^{1252539907092} is an apocalyptic number.

1252539907092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252539907092 is an abundant number, since it is smaller than the sum of its proper divisors (2016122248940).

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

1252539907092 is a wasteful number, since it uses less digits than its factorization.

1252539907092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132589 (or 132584 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 1252539907092 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-nine million, nine hundred seven thousand, ninety-two".