120012121021122 has 24 divisors (see below), whose sum is σ = 283665013323120. Its totient is φ = 36367309400280.

The previous prime is 120012121021063. The next prime is 120012121021123. The reversal of 120012121021122 is 221120121210021.

120012121021122 is a `hidden beast` number, since 1 + 200 + 1 + 21 + 210 + 211 + 22 = 666.

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 = 120012121021095 and 120012121021104.

It is not an unprimeable number, because it can be changed into a prime (120012121021123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303060911472 + ... + 303060911867.

It is an arithmetic number, because the mean of its divisors is an integer number (11819375555130).

Almost surely, 2^{120012121021122} is an apocalyptic number.

120012121021122 is an abundant number, since it is smaller than the sum of its proper divisors (163652892301998).

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

120012121021122 is a wasteful number, since it uses less digits than its factorization.

120012121021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606121823358 (or 606121823355 counting only the distinct ones).

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

Adding to 120012121021122 its reverse (221120121210021), we get a palindrome (341132242231143).

The spelling of 120012121021122 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-two".