12772391499 has 128 divisors (see below), whose sum is σ = 24127488000. Its totient is φ = 6645058560.

The previous prime is 12772391479. The next prime is 12772391501. The reversal of 12772391499 is 99419327721.

It is a happy number.

12772391499 is a `hidden beast` number, since 127 + 7 + 23 + 9 + 1 + 499 = 666.

It is not a de Polignac number, because 12772391499 - 2⁷ = 12772391371 is a prime.

It is a super-3 number, since 3×12772391499³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12772391419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4879239 + ... + 4881855.

It is an arithmetic number, because the mean of its divisors is an integer number (188496000).

Almost surely, 2^12772391499 is an apocalyptic number.

12772391499 is a deficient number, since it is larger than the sum of its proper divisors (11355096501).

12772391499 is a wasteful number, since it uses less digits than its factorization.

12772391499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695 (or 2675 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The spelling of 12772391499 in words is "twelve billion, seven hundred seventy-two million, three hundred ninety-one thousand, four hundred ninety-nine".