121312131001310 has 32 divisors (see below), whose sum is σ = 218863459825632. Its totient is φ = 48413389115520.

The previous prime is 121312131001297. The next prime is 121312131001351. The reversal of 121312131001310 is 13100131213121.

It is a super-2 number, since 2×121312131001310² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113500712 + ... + 114564548.

It is an arithmetic number, because the mean of its divisors is an integer number (6839483119551).

Almost surely, 2^{121312131001310} is an apocalyptic number.

121312131001310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312131001310 is a deficient number, since it is larger than the sum of its proper divisors (97551328824322).

121312131001310 is a wasteful number, since it uses less digits than its factorization.

121312131001310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090028.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121312131001310 its reverse (13100131213121), we get a palindrome (134412262214431).

The spelling of 121312131001310 in words is "one hundred twenty-one trillion, three hundred twelve billion, one hundred thirty-one million, one thousand, three hundred ten".