121313222321112 has 48 divisors (see below), whose sum is σ = 332715588660000. Its totient is φ = 39925870635456.

The previous prime is 121313222321099. The next prime is 121313222321141. The reversal of 121313222321112 is 211123222313121.

121313222321112 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 3 + 222 + 321 + 112 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10663955487 + ... + 10663966862.

It is an arithmetic number, because the mean of its divisors is an integer number (6931574763750).

Almost surely, 2^{121313222321112} is an apocalyptic number.

121313222321112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121313222321112 is an abundant number, since it is smaller than the sum of its proper divisors (211402366338888).

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

121313222321112 is a wasteful number, since it uses less digits than its factorization.

121313222321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21327922440 (or 21327922433 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 121313222321112 its reverse (211123222313121), we get a palindrome (332436444634233).

The spelling of 121313222321112 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred twelve".