222102221220012 has 96 divisors (see below), whose sum is σ = 609443020867072. Its totient is φ = 61624647092736.

The previous prime is 222102221219987. The next prime is 222102221220017. The reversal of 222102221220012 is 210022122201222.

222102221220012 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 (21).

It is not an unprimeable number, because it can be changed into a prime (222102221220017) 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, 66693313 + ... + 69944280.

Almost surely, 2^{222102221220012} is an apocalyptic number.

It is an amenable number.

222102221220012 is an abundant number, since it is smaller than the sum of its proper divisors (387340799647060).

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

222102221220012 is a wasteful number, since it uses less digits than its factorization.

222102221220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136638167 (or 136638165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222102221220012 its reverse (210022122201222), we get a palindrome (432124343421234).

The spelling of 222102221220012 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty thousand, twelve".