222002323212 has 12 divisors (see below), whose sum is σ = 518005420856. Its totient is φ = 74000774400.

The previous prime is 222002323201. The next prime is 222002323217. The reversal of 222002323212 is 212323200222.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (222002323217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250096789 + ... + 9250096812.

Almost surely, 2^222002323212 is an apocalyptic number.

It is an amenable number.

222002323212 is an abundant number, since it is smaller than the sum of its proper divisors (296003097644).

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

222002323212 is a wasteful number, since it uses less digits than its factorization.

222002323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500193608 (or 18500193606 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 222002323212 its reverse (212323200222), we get a palindrome (434325523434).

The spelling of 222002323212 in words is "two hundred twenty-two billion, two million, three hundred twenty-three thousand, two hundred twelve".