12312113212310 has 64 divisors (see below), whose sum is σ = 22306364236800. Its totient is φ = 4892847187200.

The previous prime is 12312113212249. The next prime is 12312113212331. The reversal of 12312113212310 is 1321231121321.

It is a happy number.

It is a super-2 number, since 2×12312113212310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1396085081 + ... + 1396093899.

It is an arithmetic number, because the mean of its divisors is an integer number (348536941200).

Almost surely, 2^{12312113212310} is an apocalyptic number.

12312113212310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312113212310 is a deficient number, since it is larger than the sum of its proper divisors (9994251024490).

12312113212310 is a wasteful number, since it uses less digits than its factorization.

12312113212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12312113212310 its reverse (1321231121321), we get a palindrome (13633344333631).

The spelling of 12312113212310 in words is "twelve trillion, three hundred twelve billion, one hundred thirteen million, two hundred twelve thousand, three hundred ten".