121012120031112 has 48 divisors (see below), whose sum is σ = 327981967763580. Its totient is φ = 40307735270400.

The previous prime is 121012120031081. The next prime is 121012120031141. The reversal of 121012120031112 is 211130021210121.

It is a happy number.

121012120031112 is a `hidden beast` number, since 1 + 21 + 0 + 121 + 200 + 311 + 12 = 666.

121012120031112 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120435392181636 + 576727849476 = 10974306^2 + 759426^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 617361189 + ... + 617557172.

Almost surely, 2^{121012120031112} is an apocalyptic number.

121012120031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121012120031112 is an abundant number, since it is smaller than the sum of its proper divisors (206969847732468).

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

121012120031112 is a wasteful number, since it uses less digits than its factorization.

121012120031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234919734 (or 1234919727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121012120031112 its reverse (211130021210121), we get a palindrome (332142141241233).

The spelling of 121012120031112 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, thirty-one thousand, one hundred twelve".