222212220222012 has 96 divisors (see below), whose sum is σ = 534217855395840. Its totient is φ = 71837520641280.

The previous prime is 222212220221987. The next prime is 222212220222017. The reversal of 222212220222012 is 210222022212222.

222212220222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212220222017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3625497087 + ... + 3625558377.

It is an arithmetic number, because the mean of its divisors is an integer number (5564769327040).

Almost surely, 2^{222212220222012} is an apocalyptic number.

It is an amenable number.

222212220222012 is an abundant number, since it is smaller than the sum of its proper divisors (312005635173828).

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

222212220222012 is a wasteful number, since it uses less digits than its factorization.

222212220222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87411 (or 87409 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222212220222012 its reverse (210222022212222), we get a palindrome (432434242434234).

The spelling of 222212220222012 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, twelve".