22139260473512 has 256 divisors, whose sum is σ = 55802620608000. Its totient is φ = 7989919875072.

The previous prime is 22139260473511. The next prime is 22139260473587. The reversal of 22139260473512 is 21537406293122.

It is a super-2 number, since 2×22139260473512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22139260473511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49420064 + ... + 49866032.

It is an arithmetic number, because the mean of its divisors is an integer number (217978986750).

Almost surely, 2^{22139260473512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22139260473512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27901310304000).

22139260473512 is an abundant number, since it is smaller than the sum of its proper divisors (33663360134488).

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

22139260473512 is a wasteful number, since it uses less digits than its factorization.

22139260473512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446148 (or 446144 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 22139260473512 in words is "twenty-two trillion, one hundred thirty-nine billion, two hundred sixty million, four hundred seventy-three thousand, five hundred twelve".