120122121000 has 128 divisors (see below), whose sum is σ = 428321237760. Its totient is φ = 27456480000.

The previous prime is 120122120977. The next prime is 120122121013. The reversal of 120122121000 is 121221021.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 2839051 + ... + 2881050.

It is an arithmetic number, because the mean of its divisors is an integer number (3346259670).

Almost surely, 2^120122121000 is an apocalyptic number.

120122121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122121000 is an abundant number, since it is smaller than the sum of its proper divisors (308199116760).

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

120122121000 is a wasteful number, since it uses less digits than its factorization.

120122121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720132 (or 5720118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120122121000 its reverse (121221021), we get a palindrome (120243342021).

It can be divided in two parts, 1201221 and 21000, that added together give a palindrome (1222221).

The spelling of 120122121000 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand".