22201212101200 has 120 divisors (see below), whose sum is σ = 58763472263136. Its totient is φ = 7993235520000.

The previous prime is 22201212101161. The next prime is 22201212101203. The reversal of 22201212101200 is 210121210222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201212101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24534462 + ... + 25423261.

Almost surely, 2^{22201212101200} is an apocalyptic number.

22201212101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201212101200 is an abundant number, since it is smaller than the sum of its proper divisors (36562260161936).

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

22201212101200 is a wasteful number, since it uses less digits than its factorization.

22201212101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49957853 (or 49957842 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22201212101200 its reverse (210121210222), we get a palindrome (22411333311422).

The spelling of 22201212101200 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, two hundred".