220002221210212 has 72 divisors (see below), whose sum is σ = 448001104352256. Its totient is φ = 94257316081152.

The previous prime is 220002221210183. The next prime is 220002221210353. The reversal of 220002221210212 is 212012122200022.

It is a self number, because there is not a number n which added to its sum of digits gives 220002221210212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15555548413 + ... + 15555562555.

It is an arithmetic number, because the mean of its divisors is an integer number (6222237560448).

Almost surely, 2^{220002221210212} is an apocalyptic number.

It is an amenable number.

220002221210212 is an abundant number, since it is smaller than the sum of its proper divisors (227998883142044).

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

220002221210212 is a wasteful number, since it uses less digits than its factorization.

220002221210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33257 (or 33248 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220002221210212 its reverse (212012122200022), we get a palindrome (432014343410234).

The spelling of 220002221210212 in words is "two hundred twenty trillion, two billion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".