12501263748 has 12 divisors (see below), whose sum is σ = 29169615440. Its totient is φ = 4167087912.

The previous prime is 12501263729. The next prime is 12501263771. The reversal of 12501263748 is 84736210521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520885978 + ... + 520886001.

Almost surely, 2^12501263748 is an apocalyptic number.

It is an amenable number.

12501263748 is an abundant number, since it is smaller than the sum of its proper divisors (16668351692).

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

12501263748 is a wasteful number, since it uses less digits than its factorization.

12501263748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041771986 (or 1041771984 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 12501263748 in words is "twelve billion, five hundred one million, two hundred sixty-three thousand, seven hundred forty-eight".