22102100200012 has 72 divisors (see below), whose sum is σ = 45733016590800. Its totient is φ = 9317904253056.

The previous prime is 22102100199973. The next prime is 22102100200031. The reversal of 22102100200012 is 21000200120122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22102100199965 and 22102100200001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751803 + ... + 6690994.

Almost surely, 2^{22102100200012} is an apocalyptic number.

It is an amenable number.

22102100200012 is an abundant number, since it is smaller than the sum of its proper divisors (23630916390788).

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

22102100200012 is a wasteful number, since it uses less digits than its factorization.

22102100200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443063 (or 7443054 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102100200012 its reverse (21000200120122), we get a palindrome (43102300320134).

The spelling of 22102100200012 in words is "twenty-two trillion, one hundred two billion, one hundred million, two hundred thousand, twelve".