222131003212 has 24 divisors (see below), whose sum is σ = 405274571856. Its totient is φ = 106435737408.

The previous prime is 222131003207. The next prime is 222131003219. The reversal of 222131003212 is 212300131222.

It is a self number, because there is not a number n which added to its sum of digits gives 222131003212.

It is not an unprimeable number, because it can be changed into a prime (222131003219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12174463 + ... + 12192694.

It is an arithmetic number, because the mean of its divisors is an integer number (16886440494).

Almost surely, 2^222131003212 is an apocalyptic number.

It is an amenable number.

222131003212 is a deficient number, since it is larger than the sum of its proper divisors (183143568644).

222131003212 is a wasteful number, since it uses less digits than its factorization.

222131003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24367257 (or 24367255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222131003212 its reverse (212300131222), we get a palindrome (434431134434).

The spelling of 222131003212 in words is "two hundred twenty-two billion, one hundred thirty-one million, three thousand, two hundred twelve".