12507997263 has 8 divisors (see below), whose sum is σ = 16677942576. Its totient is φ = 8338358400.

The previous prime is 12507997253. The next prime is 12507997277. The reversal of 12507997263 is 36279970521.

12507997263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12507997263 - 2²⁰ = 12506948687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507997253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47223 + ... + 165063.

It is an arithmetic number, because the mean of its divisors is an integer number (2084742822).

Almost surely, 2^12507997263 is an apocalyptic number.

12507997263 is a deficient number, since it is larger than the sum of its proper divisors (4169945313).

12507997263 is a wasteful number, since it uses less digits than its factorization.

12507997263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153225.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 12507997263 in words is "twelve billion, five hundred seven million, nine hundred ninety-seven thousand, two hundred sixty-three".