12313121210 has 32 divisors (see below), whose sum is σ = 23876657280. Its totient is φ = 4544831808.

The previous prime is 12313121207. The next prime is 12313121263. The reversal of 12313121210 is 1212131321.

It is a super-2 number, since 2×12313121210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409139 + ... + 438201.

It is an arithmetic number, because the mean of its divisors is an integer number (746145540).

Almost surely, 2^12313121210 is an apocalyptic number.

12313121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12313121210 is a deficient number, since it is larger than the sum of its proper divisors (11563536070).

12313121210 is a wasteful number, since it uses less digits than its factorization.

12313121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32342.

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

Adding to 12313121210 its reverse (1212131321), we get a palindrome (13525252531).

The spelling of 12313121210 in words is "twelve billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred ten".