222331331212 has 12 divisors (see below), whose sum is σ = 402496375680. Its totient is φ = 107332366736.

The previous prime is 222331331141. The next prime is 222331331221. The reversal of 222331331212 is 212133133222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958324588 + ... + 958324819.

It is an arithmetic number, because the mean of its divisors is an integer number (33541364640).

Almost surely, 2^222331331212 is an apocalyptic number.

It is an amenable number.

222331331212 is a deficient number, since it is larger than the sum of its proper divisors (180165044468).

222331331212 is a wasteful number, since it uses less digits than its factorization.

222331331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916649440 (or 1916649438 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 222331331212 its reverse (212133133222), we get a palindrome (434464464434).

The spelling of 222331331212 in words is "two hundred twenty-two billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred twelve".