20221012012012 has 24 divisors (see below), whose sum is σ = 40443538899456. Its totient is φ = 8665823389008.

The previous prime is 20221012011989. The next prime is 20221012012021. The reversal of 20221012012012 is 21021021012202.

It is a happy number.

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, 12764068 + ... + 14260555.

It is an arithmetic number, because the mean of its divisors is an integer number (1685147454144).

Almost surely, 2^{20221012012012} is an apocalyptic number.

It is an amenable number.

20221012012012 is an abundant number, since it is smaller than the sum of its proper divisors (20222526887444).

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

20221012012012 is a wasteful number, since it uses less digits than its factorization.

20221012012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27051357 (or 27051355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221012012012 its reverse (21021021012202), we get a palindrome (41242033024214).

The spelling of 20221012012012 in words is "twenty trillion, two hundred twenty-one billion, twelve million, twelve thousand, twelve".