12001020120122 has 16 divisors (see below), whose sum is σ = 19858684982400. Its totient is φ = 5393716907040.

The previous prime is 12001020120059. The next prime is 12001020120191. The reversal of 12001020120122 is 22102102010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001020120097 and 12001020120106.

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, 3064609922 + ... + 3064613837.

It is an arithmetic number, because the mean of its divisors is an integer number (1241167811400).

Almost surely, 2^{12001020120122} is an apocalyptic number.

12001020120122 is a deficient number, since it is larger than the sum of its proper divisors (7857664862278).

12001020120122 is a wasteful number, since it uses less digits than its factorization.

12001020120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129223861.

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

Adding to 12001020120122 its reverse (22102102010021), we get a palindrome (34103122130143).

The spelling of 12001020120122 in words is "twelve trillion, one billion, twenty million, one hundred twenty thousand, one hundred twenty-two".