12699799492 has 12 divisors (see below), whose sum is σ = 22272861996. Its totient is φ = 6336124640.

The previous prime is 12699799477. The next prime is 12699799507. The reversal of 12699799492 is 29499799621.

It is an interprime number because it is at equal distance from previous prime (12699799477) and next prime (12699799507).

It can be written as a sum of positive squares in 2 ways, for example, as 3660734016 + 9039065476 = 60504^2 + 95074^2 .

It is a super-2 number, since 2×12699799492² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441703 + ... + 3445390.

It is an arithmetic number, because the mean of its divisors is an integer number (1856071833).

Almost surely, 2^12699799492 is an apocalyptic number.

It is an amenable number.

12699799492 is a deficient number, since it is larger than the sum of its proper divisors (9573062504).

12699799492 is a wasteful number, since it uses less digits than its factorization.

12699799492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887558 (or 6887556 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 67.

The spelling of 12699799492 in words is "twelve billion, six hundred ninety-nine million, seven hundred ninety-nine thousand, four hundred ninety-two".