22012200212112 has 120 divisors (see below), whose sum is σ = 68471912927808. Its totient is φ = 6544507756800.

The previous prime is 22012200212089. The next prime is 22012200212173. The reversal of 22012200212112 is 21121200221022.

It is a happy number.

22012200212112 is a `hidden beast` number, since 220 + 1 + 220 + 0 + 212 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131015964 + ... + 131183867.

Almost surely, 2^{22012200212112} is an apocalyptic number.

22012200212112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22012200212112 is an abundant number, since it is smaller than the sum of its proper divisors (46459712715696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012200212112 is a wasteful number, since it uses less digits than its factorization.

22012200212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262199909 (or 262199900 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012200212112 its reverse (21121200221022), we get a palindrome (43133400433134).

The spelling of 22012200212112 in words is "twenty-two trillion, twelve billion, two hundred million, two hundred twelve thousand, one hundred twelve".