20122122202012 has 12 divisors (see below), whose sum is σ = 36427979848680. Its totient is φ = 9714127959536.

The previous prime is 20122122201977. The next prime is 20122122202079. The reversal of 20122122202012 is 21020222122102.

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, 86733285238 + ... + 86733285469.

It is an arithmetic number, because the mean of its divisors is an integer number (3035664987390).

Almost surely, 2^{20122122202012} is an apocalyptic number.

It is an amenable number.

20122122202012 is a deficient number, since it is larger than the sum of its proper divisors (16305857646668).

20122122202012 is a wasteful number, since it uses less digits than its factorization.

20122122202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173466570740 (or 173466570738 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20122122202012 its reverse (21020222122102), we get a palindrome (41142344324114).

The spelling of 20122122202012 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, twelve".