121310212313020 has 96 divisors (see below), whose sum is σ = 260923674525696. Its totient is φ = 47362191072000.

The previous prime is 121310212312943. The next prime is 121310212313077. The reversal of 121310212313020 is 20313212013121.

It is a super-2 number, since 2×121310212313020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121310212312982 and 121310212313000.

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, 1638249637 + ... + 1638323683.

It is an arithmetic number, because the mean of its divisors is an integer number (2717954942976).

Almost surely, 2^{121310212313020} is an apocalyptic number.

121310212313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121310212313020 is an abundant number, since it is smaller than the sum of its proper divisors (139613462212676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121310212313020 is a wasteful number, since it uses less digits than its factorization.

121310212313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85651 (or 85649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121310212313020 its reverse (20313212013121), we get a palindrome (141623424326141).

The spelling of 121310212313020 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred twelve million, three hundred thirteen thousand, twenty".