222221202000012 has 36 divisors (see below), whose sum is σ = 561726910311840. Its totient is φ = 74073589717152.

The previous prime is 222221201999999. The next prime is 222221202000071. The reversal of 222221202000012 is 210000202122222.

222221202000012 is a `hidden beast` number, since 222 + 221 + 20 + 200 + 0 + 0 + 1 + 2 = 666.

222221202000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13603789 + ... + 25089947.

It is an arithmetic number, because the mean of its divisors is an integer number (15603525286440).

Almost surely, 2^{222221202000012} is an apocalyptic number.

It is an amenable number.

222221202000012 is an abundant number, since it is smaller than the sum of its proper divisors (339505708311828).

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

222221202000012 is a wasteful number, since it uses less digits than its factorization.

222221202000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023582 (or 12023577 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222221202000012 its reverse (210000202122222), we get a palindrome (432221404122234).

The spelling of 222221202000012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred two million, twelve", and thus it is an aban number.