222100012120000 has 280 divisors, whose sum is σ = 649716048312320. Its totient is φ = 73692167040000.

The previous prime is 222100012119961. The next prime is 222100012120111. The reversal of 222100012120000 is 21210001222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (280).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4113780 + ... + 21473779.

Almost surely, 2^{222100012120000} is an apocalyptic number.

222100012120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100012120000 is an abundant number, since it is smaller than the sum of its proper divisors (427616036192320).

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

222100012120000 is an equidigital number, since it uses as much as digits as its factorization.

222100012120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25587629 (or 25587604 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222100012120000 its reverse (21210001222), we get a palindrome (222121222121222).

The spelling of 222100012120000 in words is "two hundred twenty-two trillion, one hundred billion, twelve million, one hundred twenty thousand".