121012021012122 has 24 divisors (see below), whose sum is σ = 267139744500564. Its totient is φ = 39576258443904.

The previous prime is 121012021012109. The next prime is 121012021012199. The reversal of 121012021012122 is 221210120210121.

121012021012122 is a `hidden beast` number, since 1 + 210 + 120 + 210 + 1 + 2 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118606671267561 + 2405349744561 = 10890669^2 + 1550919^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121012021012095 and 121012021012104.

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, 63423490143 + ... + 63423492050.

Almost surely, 2^{121012021012122} is an apocalyptic number.

121012021012122 is an abundant number, since it is smaller than the sum of its proper divisors (146127723488442).

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

121012021012122 is a wasteful number, since it uses less digits than its factorization.

121012021012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126846982254 (or 126846982251 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121012021012122 its reverse (221210120210121), we get a palindrome (342222141222243).

It can be divided in two parts, 1210120210121 and 22, that multiplied together give a palindrome (26622644622662).

The spelling of 121012021012122 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, twelve thousand, one hundred twenty-two".