12022516266564 has 96 divisors (see below), whose sum is σ = 29147967202816. Its totient is φ = 3853951073280.

The previous prime is 12022516266547. The next prime is 12022516266571. The reversal of 12022516266564 is 46566261522021.

It is a super-2 number, since 2×12022516266564² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69645519 + ... + 69817929.

Almost surely, 2^{12022516266564} is an apocalyptic number.

It is an amenable number.

12022516266564 is an abundant number, since it is smaller than the sum of its proper divisors (17125450936252).

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

12022516266564 is a wasteful number, since it uses less digits than its factorization.

12022516266564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174545 (or 174543 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

Adding to 12022516266564 its reverse (46566261522021), we get a palindrome (58588777788585).

The spelling of 12022516266564 in words is "twelve trillion, twenty-two billion, five hundred sixteen million, two hundred sixty-six thousand, five hundred sixty-four".