22122201202012 has 12 divisors (see below), whose sum is σ = 38714316709936. Its totient is φ = 11060967856320.

The previous prime is 22122201202001. The next prime is 22122201202117. The reversal of 22122201202012 is 21020210222122.

It is a congruent 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, 32810733 + ... + 33478180.

Almost surely, 2^{22122201202012} is an apocalyptic number.

It is an amenable number.

22122201202012 is a deficient number, since it is larger than the sum of its proper divisors (16592115507924).

22122201202012 is a wasteful number, since it uses less digits than its factorization.

22122201202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66372348 (or 66372346 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122201202012 its reverse (21020210222122), we get a palindrome (43142411424134).

The spelling of 22122201202012 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, twelve".