12776012751 has 32 divisors (see below), whose sum is σ = 17464688640. Its totient is φ = 8305020000.

The previous prime is 12776012749. The next prime is 12776012761. The reversal of 12776012751 is 15721067721.

It is a happy number.

It is not a de Polignac number, because 12776012751 - 2¹ = 12776012749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776012761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17011626 + ... + 17012376.

It is an arithmetic number, because the mean of its divisors is an integer number (545771520).

Almost surely, 2^12776012751 is an apocalyptic number.

12776012751 is a deficient number, since it is larger than the sum of its proper divisors (4688675889).

12776012751 is a wasteful number, since it uses less digits than its factorization.

12776012751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its (nonzero) digits is 41160, while the sum is 39.

The spelling of 12776012751 in words is "twelve billion, seven hundred seventy-six million, twelve thousand, seven hundred fifty-one".