222312003012 has 72 divisors (see below), whose sum is σ = 621676665792. Its totient is φ = 66418430400.

The previous prime is 222312002971. The next prime is 222312003029. The reversal of 222312003012 is 210300213222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3925363 + ... + 3981594.

It is an arithmetic number, because the mean of its divisors is an integer number (8634398136).

Almost surely, 2^222312003012 is an apocalyptic number.

222312003012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222312003012 is an abundant number, since it is smaller than the sum of its proper divisors (399364662780).

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

222312003012 is a wasteful number, since it uses less digits than its factorization.

222312003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907049 (or 7907044 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222312003012 its reverse (210300213222), we get a palindrome (432612216234).

The spelling of 222312003012 in words is "two hundred twenty-two billion, three hundred twelve million, three thousand, twelve".