12510432512 has 18 divisors (see below), whose sum is σ = 24971996658. Its totient is φ = 6255216128.

The previous prime is 12510432503. The next prime is 12510432521. The reversal of 12510432512 is 21523401521.

It is an interprime number because it is at equal distance from previous prime (12510432503) and next prime (12510432521).

It can be written as a sum of positive squares in only one way, i.e., 9669968896 + 2840463616 = 98336^2 + 53296^2 .

It is a super-3 number, since 3×12510432512³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24434183 + ... + 24434694.

Almost surely, 2^12510432512 is an apocalyptic number.

It is an amenable number.

12510432512 is a deficient number, since it is larger than the sum of its proper divisors (12461564146).

12510432512 is an frugal number, since it uses more digits than its factorization.

12510432512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48868893 (or 48868879 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12510432512 in words is "twelve billion, five hundred ten million, four hundred thirty-two thousand, five hundred twelve".