20221023321012 has 12 divisors (see below), whose sum is σ = 47182387749056. Its totient is φ = 6740341107000.

The previous prime is 20221023320999. The next prime is 20221023321043. The reversal of 20221023321012 is 21012332012202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20221023321012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20221023321012.

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, 842542638364 + ... + 842542638387.

Almost surely, 2^{20221023321012} is an apocalyptic number.

It is an amenable number.

20221023321012 is an abundant number, since it is smaller than the sum of its proper divisors (26961364428044).

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

20221023321012 is a wasteful number, since it uses less digits than its factorization.

20221023321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685085276758 (or 1685085276756 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20221023321012 its reverse (21012332012202), we get a palindrome (41233355333214).

The spelling of 20221023321012 in words is "twenty trillion, two hundred twenty-one billion, twenty-three million, three hundred twenty-one thousand, twelve".