12992399213 has 4 divisors (see below), whose sum is σ = 12995180640. Its totient is φ = 12989617788.

The previous prime is 12992399201. The next prime is 12992399221. The reversal of 12992399213 is 31299329921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12992399213 - 2¹⁶ = 12992333677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992399713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383695 + ... + 1393052.

It is an arithmetic number, because the mean of its divisors is an integer number (3248795160).

Almost surely, 2^12992399213 is an apocalyptic number.

It is an amenable number.

12992399213 is a deficient number, since it is larger than the sum of its proper divisors (2781427).

12992399213 is an equidigital number, since it uses as much as digits as its factorization.

12992399213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781426.

The product of its digits is 472392, while the sum is 50.

The spelling of 12992399213 in words is "twelve billion, nine hundred ninety-two million, three hundred ninety-nine thousand, two hundred thirteen".