22112222002012 has 24 divisors (see below), whose sum is σ = 39743356575104. Its totient is φ = 10756994104512.

The previous prime is 22112222001979. The next prime is 22112222002069. The reversal of 22112222002012 is 21020022221122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211093 + ... + 7384819.

Almost surely, 2^{22112222002012} is an apocalyptic number.

It is an amenable number.

22112222002012 is a deficient number, since it is larger than the sum of its proper divisors (17631134573092).

22112222002012 is a wasteful number, since it uses less digits than its factorization.

22112222002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209565 (or 4209563 counting only the distinct ones).

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

Adding to 22112222002012 its reverse (21020022221122), we get a palindrome (43132244223134).

The spelling of 22112222002012 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, two thousand, twelve".