22200221020012 has 12 divisors (see below), whose sum is σ = 44400442040080. Its totient is φ = 9514380437136.

The previous prime is 22200221020007. The next prime is 22200221020039. The reversal of 22200221020012 is 21002012200222.

22200221020012 is an admirable 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, 396432518187 + ... + 396432518242.

Almost surely, 2^{22200221020012} is an apocalyptic number.

It is an amenable number.

22200221020012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22200221020012 is a wasteful number, since it uses less digits than its factorization.

22200221020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792865036440 (or 792865036438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22200221020012 its reverse (21002012200222), we get a palindrome (43202233220234).

The spelling of 22200221020012 in words is "twenty-two trillion, two hundred billion, two hundred twenty-one million, twenty thousand, twelve".