22200021021012 has 12 divisors (see below), whose sum is σ = 51800049049056. Its totient is φ = 7400007007000.

The previous prime is 22200021020971. The next prime is 22200021021097. The reversal of 22200021021012 is 21012012000222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22200021020982 and 22200021021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925000875864 + ... + 925000875887.

It is an arithmetic number, because the mean of its divisors is an integer number (4316670754088).

Almost surely, 2^{22200021021012} is an apocalyptic number.

It is an amenable number.

22200021021012 is an abundant number, since it is smaller than the sum of its proper divisors (29600028028044).

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

22200021021012 is a wasteful number, since it uses less digits than its factorization.

22200021021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850001751758 (or 1850001751756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200021021012 its reverse (21012012000222), we get a palindrome (43212033021234).

The spelling of 22200021021012 in words is "twenty-two trillion, two hundred billion, twenty-one million, twenty-one thousand, twelve".