222221012010012 has 72 divisors (see below), whose sum is σ = 562203603181584. Its totient is φ = 74010628786176.

The previous prime is 222221012010007. The next prime is 222221012010013. The reversal of 222221012010012 is 210010210122222.

It is a happy number.

222221012010012 is a `hidden beast` number, since 2 + 222 + 210 + 120 + 100 + 12 = 666.

222221012010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221012010013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202922643 + ... + 204014805.

It is an arithmetic number, because the mean of its divisors is an integer number (7808383377522).

Almost surely, 2^{222221012010012} is an apocalyptic number.

It is an amenable number.

222221012010012 is an abundant number, since it is smaller than the sum of its proper divisors (339982591171572).

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

222221012010012 is a wasteful number, since it uses less digits than its factorization.

222221012010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096979 (or 1096974 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222221012010012 its reverse (210010210122222), we get a palindrome (432231222132234).

The spelling of 222221012010012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twelve million, ten thousand, twelve".