22122021230012 has 48 divisors (see below), whose sum is σ = 43375684339680. Its totient is φ = 9783400838400.

The previous prime is 22122021229991. The next prime is 22122021230063. The reversal of 22122021230012 is 21003212022122.

It is a super-2 number, since 2×22122021230012² (a number of 27 digits) contains 22 as substring.

It is a congruent 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, 59302814 + ... + 59674682.

It is an arithmetic number, because the mean of its divisors is an integer number (903660090410).

Almost surely, 2^{22122021230012} is an apocalyptic number.

22122021230012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22122021230012 is a deficient number, since it is larger than the sum of its proper divisors (21253663109668).

22122021230012 is a wasteful number, since it uses less digits than its factorization.

22122021230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408462 (or 408460 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22122021230012 its reverse (21003212022122), we get a palindrome (43125233252134).

The spelling of 22122021230012 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred thirty thousand, twelve".