20122111201012 has 12 divisors (see below), whose sum is σ = 36744724802016. Its totient is φ = 9623618400440.

The previous prime is 20122111200967. The next prime is 20122111201063. The reversal of 20122111201012 is 21010211122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109359299914 + ... + 109359300097.

It is an arithmetic number, because the mean of its divisors is an integer number (3062060400168).

Almost surely, 2^{20122111201012} is an apocalyptic number.

It is an amenable number.

20122111201012 is a deficient number, since it is larger than the sum of its proper divisors (16622613601004).

20122111201012 is a wasteful number, since it uses less digits than its factorization.

20122111201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218718600038 (or 218718600036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20122111201012 its reverse (21010211122102), we get a palindrome (41132322323114).

The spelling of 20122111201012 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred one thousand, twelve".