21022023100012 has 48 divisors (see below), whose sum is σ = 41632208593920. Its totient is φ = 9204399734400.

The previous prime is 21022023100009. The next prime is 21022023100031. The reversal of 21022023100012 is 21000132022012.

It is a happy number.

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, 73610688 + ... + 73895719.

It is an arithmetic number, because the mean of its divisors is an integer number (867337679040).

Almost surely, 2^{21022023100012} is an apocalyptic number.

21022023100012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21022023100012 is a deficient number, since it is larger than the sum of its proper divisors (20610185493908).

21022023100012 is a wasteful number, since it uses less digits than its factorization.

21022023100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147506542 (or 147506540 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21022023100012 its reverse (21000132022012), we get a palindrome (42022155122024).

The spelling of 21022023100012 in words is "twenty-one trillion, twenty-two billion, twenty-three million, one hundred thousand, twelve".