22113200012 has 12 divisors (see below), whose sum is σ = 38701645416. Its totient is φ = 11055587040.

The previous prime is 22113200009. The next prime is 22113200069. The reversal of 22113200012 is 21000231122.

It is a happy number.

It is a super-2 number, since 2×22113200012² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22113200012.

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, 203018 + ... + 292305.

It is an arithmetic number, because the mean of its divisors is an integer number (3225137118).

Almost surely, 2^22113200012 is an apocalyptic number.

It is an amenable number.

22113200012 is a deficient number, since it is larger than the sum of its proper divisors (16588445404).

22113200012 is a wasteful number, since it uses less digits than its factorization.

22113200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506488 (or 506486 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22113200012 its reverse (21000231122), we get a palindrome (43113431134).

The spelling of 22113200012 in words is "twenty-two billion, one hundred thirteen million, two hundred thousand, twelve".