22012106646432 has 96 divisors (see below), whose sum is σ = 66089966874624. Its totient is φ = 6284064096000.

The previous prime is 22012106646401. The next prime is 22012106646437. The reversal of 22012106646432 is 23464660121022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (22012106646437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12477444 + ... + 14131907.

It is an arithmetic number, because the mean of its divisors is an integer number (688437154944).

Almost surely, 2^{22012106646432} is an apocalyptic number.

It is an amenable number.

22012106646432 is an abundant number, since it is smaller than the sum of its proper divisors (44077860228192).

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

22012106646432 is a wasteful number, since it uses less digits than its factorization.

22012106646432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610602 (or 26610594 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 22012106646432 its reverse (23464660121022), we get a palindrome (45476766767454).

The spelling of 22012106646432 in words is "twenty-two trillion, twelve billion, one hundred six million, six hundred forty-six thousand, four hundred thirty-two".