12765012514 has 4 divisors (see below), whose sum is σ = 19147518774. Its totient is φ = 6382506256.

The previous prime is 12765012503. The next prime is 12765012521. The reversal of 12765012514 is 41521056721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41521056721 = 61 ⋅680673061.

It can be written as a sum of positive squares in only one way, i.e., 11081141289 + 1683871225 = 105267^2 + 41035^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12765012514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191253127 + ... + 3191253130.

Almost surely, 2^12765012514 is an apocalyptic number.

12765012514 is a deficient number, since it is larger than the sum of its proper divisors (6382506260).

12765012514 is an equidigital number, since it uses as much as digits as its factorization.

12765012514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382506259.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12765012514 in words is "twelve billion, seven hundred sixty-five million, twelve thousand, five hundred fourteen".