12021102010122 has 32 divisors (see below), whose sum is σ = 24528448615680. Its totient is φ = 3926194584000.

The previous prime is 12021102010061. The next prime is 12021102010147. The reversal of 12021102010122 is 22101020112021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24929097 + ... + 25406732.

It is an arithmetic number, because the mean of its divisors is an integer number (766514019240).

Almost surely, 2^{12021102010122} is an apocalyptic number.

12021102010122 is an abundant number, since it is smaller than the sum of its proper divisors (12507346605558).

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

12021102010122 is a wasteful number, since it uses less digits than its factorization.

12021102010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50336638.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021102010122 its reverse (22101020112021), we get a palindrome (34122122122143).

The spelling of 12021102010122 in words is "twelve trillion, twenty-one billion, one hundred two million, ten thousand, one hundred twenty-two".