22200200021212 has 6 divisors (see below), whose sum is σ = 38850350037128. Its totient is φ = 11100100010604.

The previous prime is 22200200021201. The next prime is 22200200021239. The reversal of 22200200021212 is 21212000200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775025002648 + ... + 2775025002655.

Almost surely, 2^{22200200021212} is an apocalyptic number.

It is an amenable number.

22200200021212 is a deficient number, since it is larger than the sum of its proper divisors (16650150015916).

22200200021212 is a wasteful number, since it uses less digits than its factorization.

22200200021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550050005307 (or 5550050005305 counting only the distinct ones).

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

Adding to 22200200021212 its reverse (21212000200222), we get a palindrome (43412200221434).

The spelling of 22200200021212 in words is "twenty-two trillion, two hundred billion, two hundred million, twenty-one thousand, two hundred twelve".