12762776499 has 16 divisors (see below), whose sum is σ = 18571071360. Its totient is φ = 7732085760.

The previous prime is 12762776497. The next prime is 12762776519. The reversal of 12762776499 is 99467726721.

It is not a de Polignac number, because 12762776499 - 2¹ = 12762776497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12762776491) 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, 16824 + ... + 160650.

It is an arithmetic number, because the mean of its divisors is an integer number (1160691960).

Almost surely, 2^12762776499 is an apocalyptic number.

12762776499 is a deficient number, since it is larger than the sum of its proper divisors (5808294861).

12762776499 is a wasteful number, since it uses less digits than its factorization.

12762776499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146530.

The product of its digits is 16003008, while the sum is 60.

The spelling of 12762776499 in words is "twelve billion, seven hundred sixty-two million, seven hundred seventy-six thousand, four hundred ninety-nine".