12379116291 has 16 divisors (see below), whose sum is σ = 17437939200. Its totient is φ = 7798628768.

The previous prime is 12379116283. The next prime is 12379116359. The reversal of 12379116291 is 19261197321.

It is a cyclic number.

It is not a de Polignac number, because 12379116291 - 2³ = 12379116283 is a prime.

It is a super-2 number, since 2×12379116291² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12379116221) 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, 1509621 + ... + 1517798.

It is an arithmetic number, because the mean of its divisors is an integer number (1089871200).

Almost surely, 2^12379116291 is an apocalyptic number.

12379116291 is a deficient number, since it is larger than the sum of its proper divisors (5058822909).

12379116291 is a wasteful number, since it uses less digits than its factorization.

12379116291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027498.

The product of its digits is 40824, while the sum is 42.

The spelling of 12379116291 in words is "twelve billion, three hundred seventy-nine million, one hundred sixteen thousand, two hundred ninety-one".