12312113102 has 4 divisors (see below), whose sum is σ = 18468169656. Its totient is φ = 6156056550.

The previous prime is 12312113087. The next prime is 12312113119. The reversal of 12312113102 is 20131121321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078028274 + ... + 3078028277.

It is an arithmetic number, because the mean of its divisors is an integer number (4617042414).

Almost surely, 2^12312113102 is an apocalyptic number.

12312113102 is a deficient number, since it is larger than the sum of its proper divisors (6156056554).

12312113102 is an equidigital number, since it uses as much as digits as its factorization.

12312113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156056553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12312113102 its reverse (20131121321), we get a palindrome (32443234423).

The spelling of 12312113102 in words is "twelve billion, three hundred twelve million, one hundred thirteen thousand, one hundred two".