222312001012 has 6 divisors (see below), whose sum is σ = 389046001778. Its totient is φ = 111156000504.

The previous prime is 222312000997. The next prime is 222312001031. The reversal of 222312001012 is 210100213222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 153754957456 + 68557043556 = 392116^2 + 261834^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27789000123 + ... + 27789000130.

Almost surely, 2^222312001012 is an apocalyptic number.

It is an amenable number.

222312001012 is a deficient number, since it is larger than the sum of its proper divisors (166734000766).

222312001012 is a wasteful number, since it uses less digits than its factorization.

222312001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55578000257 (or 55578000255 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222312001012 its reverse (210100213222), we get a palindrome (432412214234).

The spelling of 222312001012 in words is "two hundred twenty-two billion, three hundred twelve million, one thousand, twelve".