12107113893 has 18 divisors (see below), whose sum is σ = 20343246534. Its totient is φ = 6918350544.

The previous prime is 12107113877. The next prime is 12107113903. The reversal of 12107113893 is 39831170121.

It can be written as a sum of positive squares in only one way, i.e., 11641978404 + 465135489 = 107898^2 + 21567^2 .

It is not a de Polignac number, because 12107113893 - 2⁴ = 12107113877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107113813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13726446 + ... + 13727327.

It is an arithmetic number, because the mean of its divisors is an integer number (1130180363).

Almost surely, 2^12107113893 is an apocalyptic number.

It is an amenable number.

12107113893 is a deficient number, since it is larger than the sum of its proper divisors (8236132641).

12107113893 is a wasteful number, since it uses less digits than its factorization.

12107113893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27453793 (or 27453783 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 12107113893 in words is "twelve billion, one hundred seven million, one hundred thirteen thousand, eight hundred ninety-three".