121312332120310 has 16 divisors (see below), whose sum is σ = 218718416747376. Its totient is φ = 48445773085728.

The previous prime is 121312332120173. The next prime is 121312332120341. The reversal of 121312332120310 is 13021233213121.

It is a super-2 number, since 2×121312332120310² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 9894963864 + ... + 9894976123.

It is an arithmetic number, because the mean of its divisors is an integer number (13669901046711).

Almost surely, 2^{121312332120310} is an apocalyptic number.

121312332120310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312332120310 is a deficient number, since it is larger than the sum of its proper divisors (97406084627066).

121312332120310 is a wasteful number, since it uses less digits than its factorization.

121312332120310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19789940607.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121312332120310 its reverse (13021233213121), we get a palindrome (134333565333431).

The spelling of 121312332120310 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred thirty-two million, one hundred twenty thousand, three hundred ten".