222220100012 has 24 divisors (see below), whose sum is σ = 389808956880. Its totient is φ = 110846361600.

The previous prime is 222220099991. The next prime is 222220100021. The reversal of 222220100012 is 210001022222.

It is a self number, because there is not a number n which added to its sum of digits gives 222220100012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3665039 + ... + 3725177.

It is an arithmetic number, because the mean of its divisors is an integer number (16242039870).

Almost surely, 2^222220100012 is an apocalyptic number.

It is an amenable number.

222220100012 is a deficient number, since it is larger than the sum of its proper divisors (167588856868).

222220100012 is a wasteful number, since it uses less digits than its factorization.

222220100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62321 (or 62319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222220100012 its reverse (210001022222), we get a palindrome (432221122234).

The spelling of 222220100012 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred thousand, twelve".