222001012220012 has 24 divisors (see below), whose sum is σ = 392402630404512. Its totient is φ = 109886683737600.

The previous prime is 222001012219957. The next prime is 222001012220023. The reversal of 222001012220012 is 210022210100222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87342539 + ... + 89848322.

It is an arithmetic number, because the mean of its divisors is an integer number (16350109600188).

Almost surely, 2^{222001012220012} is an apocalyptic number.

It is an amenable number.

222001012220012 is a deficient number, since it is larger than the sum of its proper divisors (170401618184500).

222001012220012 is a wasteful number, since it uses less digits than its factorization.

222001012220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177194009 (or 177194007 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222001012220012 its reverse (210022210100222), we get a palindrome (432023222320234).

The spelling of 222001012220012 in words is "two hundred twenty-two trillion, one billion, twelve million, two hundred twenty thousand, twelve".