12465542512 has 10 divisors (see below), whose sum is σ = 24151988648. Its totient is φ = 6232771248.

The previous prime is 12465542501. The next prime is 12465542521. The reversal of 12465542512 is 21524556421.

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, 389548188 + ... + 389548219.

Almost surely, 2^12465542512 is an apocalyptic number.

It is an amenable number.

12465542512 is a deficient number, since it is larger than the sum of its proper divisors (11686446136).

12465542512 is an equidigital number, since it uses as much as digits as its factorization.

12465542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779096415 (or 779096409 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The spelling of 12465542512 in words is "twelve billion, four hundred sixty-five million, five hundred forty-two thousand, five hundred twelve".