12122511313 has 4 divisors (see below), whose sum is σ = 13224557808. Its totient is φ = 11020464820.

The previous prime is 12122511311. The next prime is 12122511329. The reversal of 12122511313 is 31311522121.

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 12122511313 - 2¹ = 12122511311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122511311) 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 3 ways as a sum of consecutive naturals, for example, 551023231 + ... + 551023252.

It is an arithmetic number, because the mean of its divisors is an integer number (3306139452).

Almost surely, 2^12122511313 is an apocalyptic number.

It is an amenable number.

12122511313 is a deficient number, since it is larger than the sum of its proper divisors (1102046495).

12122511313 is a wasteful number, since it uses less digits than its factorization.

12122511313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102046494.

The product of its digits is 360, while the sum is 22.

The spelling of 12122511313 in words is "twelve billion, one hundred twenty-two million, five hundred eleven thousand, three hundred thirteen".