222112221002012 has 48 divisors (see below), whose sum is σ = 446384265852672. Its totient is φ = 95715924353280.

The previous prime is 222112221001999. The next prime is 222112221002053. The reversal of 222112221002012 is 210200122211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971029358 + ... + 971258069.

It is an arithmetic number, because the mean of its divisors is an integer number (9299672205264).

Almost surely, 2^{222112221002012} is an apocalyptic number.

222112221002012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222112221002012 is an abundant number, since it is smaller than the sum of its proper divisors (224272044850660).

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

222112221002012 is a wasteful number, since it uses less digits than its factorization.

222112221002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942287578 (or 1942287576 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222112221002012 its reverse (210200122211222), we get a palindrome (432312343213234).

The spelling of 222112221002012 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, twelve".