12506876265 has 48 divisors (see below), whose sum is σ = 21992430528. Its totient is φ = 6065250048.

The previous prime is 12506876257. The next prime is 12506876269. The reversal of 12506876265 is 56267860521.

It is a happy number.

It is not a de Polignac number, because 12506876265 - 2³ = 12506876257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12506876269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133027 + ... + 206663.

It is an arithmetic number, because the mean of its divisors is an integer number (458175636).

Almost surely, 2^12506876265 is an apocalyptic number.

12506876265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12506876265 is a deficient number, since it is larger than the sum of its proper divisors (9485554263).

12506876265 is a wasteful number, since it uses less digits than its factorization.

12506876265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73738 (or 73725 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 12506876265 in words is "twelve billion, five hundred six million, eight hundred seventy-six thousand, two hundred sixty-five".