12501263751 has 16 divisors (see below), whose sum is σ = 16818364800. Its totient is φ = 8259424160.

The previous prime is 12501263729. The next prime is 12501263771. The reversal of 12501263751 is 15736210521.

It is a cyclic number.

It is not a de Polignac number, because 12501263751 - 2⁹ = 12501263239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501263771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166456 + ... + 229586.

It is an arithmetic number, because the mean of its divisors is an integer number (1051147800).

Almost surely, 2^12501263751 is an apocalyptic number.

12501263751 is a deficient number, since it is larger than the sum of its proper divisors (4317101049).

12501263751 is a wasteful number, since it uses less digits than its factorization.

12501263751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63726.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 12501263751 in words is "twelve billion, five hundred one million, two hundred sixty-three thousand, seven hundred fifty-one".