222212200001200 has 30 divisors (see below), whose sum is σ = 533864810503844. Its totient is φ = 88884880000320.

The previous prime is 222212200001111. The next prime is 222212200001203. The reversal of 222212200001200 is 2100002212222.

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

It is not an unprimeable number, because it can be changed into a prime (222212200001203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277765249602 + ... + 277765250401.

Almost surely, 2^{222212200001200} is an apocalyptic number.

222212200001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212200001200 is an abundant number, since it is smaller than the sum of its proper divisors (311652610502644).

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

222212200001200 is a wasteful number, since it uses less digits than its factorization.

222212200001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555530500021 (or 555530500010 counting only the distinct ones).

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

Adding to 222212200001200 its reverse (2100002212222), we get a palindrome (224312202213422).

The spelling of 222212200001200 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred million, one thousand, two hundred".