22021201000012 has 48 divisors (see below), whose sum is σ = 40861397203200. Its totient is φ = 10355066654400.

The previous prime is 22021200999989. The next prime is 22021201000039. The reversal of 22021201000012 is 21000010212022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22021200999956 and 22021201000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16491039 + ... + 17776297.

It is an arithmetic number, because the mean of its divisors is an integer number (851279108400).

Almost surely, 2^{22021201000012} is an apocalyptic number.

It is an amenable number.

22021201000012 is a deficient number, since it is larger than the sum of its proper divisors (18840196203188).

22021201000012 is a wasteful number, since it uses less digits than its factorization.

22021201000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286926 (or 1286924 counting only the distinct ones).

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

Adding to 22021201000012 its reverse (21000010212022), we get a palindrome (43021211212034).

The spelling of 22021201000012 in words is "twenty-two trillion, twenty-one billion, two hundred one million, twelve", and thus it is an aban number.