12525012900 has 108 divisors (see below), whose sum is σ = 39280066644. Its totient is φ = 3338208000.

The previous prime is 12525012889. The next prime is 12525012949. The reversal of 12525012900 is 921052521.

12525012900 is a `hidden beast` number, since 12 + 525 + 0 + 129 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3692020644 + 8832992256 = 60762^2 + 93984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3112890 + ... + 3116910.

Almost surely, 2^12525012900 is an apocalyptic number.

12525012900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525012900 is an abundant number, since it is smaller than the sum of its proper divisors (26755053744).

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

12525012900 is a wasteful number, since it uses less digits than its factorization.

12525012900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 12525012900 in words is "twelve billion, five hundred twenty-five million, twelve thousand, nine hundred".