222212111202012 has 12 divisors (see below), whose sum is σ = 518494926138056. Its totient is φ = 74070703734000.

The previous prime is 222212111202007. The next prime is 222212111202101. The reversal of 222212111202012 is 210202111212222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 222212111202012.

It is a congruent number.

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, 9258837966739 + ... + 9258837966762.

Almost surely, 2^{222212111202012} is an apocalyptic number.

It is an amenable number.

222212111202012 is an abundant number, since it is smaller than the sum of its proper divisors (296282814936044).

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

222212111202012 is a wasteful number, since it uses less digits than its factorization.

222212111202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18517675933508 (or 18517675933506 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222212111202012 its reverse (210202111212222), we get a palindrome (432414222414234).

The spelling of 222212111202012 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred two thousand, twelve".