22100220132012 has 90 divisors (see below), whose sum is σ = 63504027714204. Its totient is φ = 6697036391760.

The previous prime is 22100220131987. The next prime is 22100220132017. The reversal of 22100220132012 is 21023102200122.

22100220132012 is a `hidden beast` number, since 22 + 100 + 220 + 1 + 320 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22100220132017) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 281822598 + ... + 281901005.

Almost surely, 2^{22100220132012} is an apocalyptic number.

22100220132012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22100220132012 is an abundant number, since it is smaller than the sum of its proper divisors (41403807582192).

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

22100220132012 is a wasteful number, since it uses less digits than its factorization.

22100220132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563723641 (or 563723619 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22100220132012 its reverse (21023102200122), we get a palindrome (43123322332134).

The spelling of 22100220132012 in words is "twenty-two trillion, one hundred billion, two hundred twenty million, one hundred thirty-two thousand, twelve".