22212111200012 has 24 divisors (see below), whose sum is σ = 39525233264832. Its totient is φ = 10919342304000.

The previous prime is 22212111199963. The next prime is 22212111200051. The reversal of 22212111200012 is 21000211121222.

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, 18786893 + ... + 19934180.

It is an arithmetic number, because the mean of its divisors is an integer number (1646884719368).

Almost surely, 2^{22212111200012} is an apocalyptic number.

It is an amenable number.

22212111200012 is a deficient number, since it is larger than the sum of its proper divisors (17313122064820).

22212111200012 is a wasteful number, since it uses less digits than its factorization.

22212111200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38723489 (or 38723487 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212111200012 its reverse (21000211121222), we get a palindrome (43212322321234).

The spelling of 22212111200012 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, twelve".