120012021122 has 16 divisors (see below), whose sum is σ = 206055868032. Its totient is φ = 51353479680.

The previous prime is 120012021049. The next prime is 120012021131. The reversal of 120012021122 is 221120210021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120012021097 and 120012021106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677678 + ... + 6695625.

It is an arithmetic number, because the mean of its divisors is an integer number (12878491752).

Almost surely, 2^120012021122 is an apocalyptic number.

120012021122 is a deficient number, since it is larger than the sum of its proper divisors (86043846910).

120012021122 is a wasteful number, since it uses less digits than its factorization.

120012021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373953.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120012021122 its reverse (221120210021), we get a palindrome (341132231143).

The spelling of 120012021122 in words is "one hundred twenty billion, twelve million, twenty-one thousand, one hundred twenty-two".