12925802512 has 120 divisors (see below), whose sum is σ = 30452972760. Its totient is φ = 5292564480.

The previous prime is 12925802509. The next prime is 12925802573. The reversal of 12925802512 is 21520852921.

It can be written as a sum of positive squares in 4 ways, for example, as 1563095296 + 11362707216 = 39536^2 + 106596^2 .

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, 2202462 + ... + 2208322.

It is an arithmetic number, because the mean of its divisors is an integer number (253774773).

Almost surely, 2^12925802512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12925802512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15226486380).

12925802512 is an abundant number, since it is smaller than the sum of its proper divisors (17527170248).

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

12925802512 is a wasteful number, since it uses less digits than its factorization.

12925802512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009 (or 5996 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 12925802512 in words is "twelve billion, nine hundred twenty-five million, eight hundred two thousand, five hundred twelve".