22220120212000 has 96 divisors (see below), whose sum is σ = 54719201496960. Its totient is φ = 8867801260800.

The previous prime is 22220120211973. The next prime is 22220120212019. The reversal of 22220120212000 is 21202102222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4570914 + ... + 8082913.

It is an arithmetic number, because the mean of its divisors is an integer number (569991682260).

Almost surely, 2^{22220120212000} is an apocalyptic number.

22220120212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220120212000 is an abundant number, since it is smaller than the sum of its proper divisors (32499081284960).

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

22220120212000 is a wasteful number, since it uses less digits than its factorization.

22220120212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654291 (or 12654273 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220120212000 its reverse (21202102222), we get a palindrome (22241322314222).

The spelling of 22220120212000 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred twelve thousand".