22212351112012 has 12 divisors (see below), whose sum is σ = 39041359488880. Its totient is φ = 11057676972336.

The previous prime is 22212351111967. The next prime is 22212351112067. The reversal of 22212351112012 is 21021115321222.

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, 12124644888 + ... + 12124646719.

Almost surely, 2^{22212351112012} is an apocalyptic number.

It is an amenable number.

22212351112012 is a deficient number, since it is larger than the sum of its proper divisors (16829008376868).

22212351112012 is a wasteful number, since it uses less digits than its factorization.

22212351112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249291840 (or 24249291838 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 22212351112012 its reverse (21021115321222), we get a palindrome (43233466433234).

The spelling of 22212351112012 in words is "twenty-two trillion, two hundred twelve billion, three hundred fifty-one million, one hundred twelve thousand, twelve".