222220200120212 has 24 divisors (see below), whose sum is σ = 446767313341440. Its totient is φ = 94738604387040.

The previous prime is 222220200120209. The next prime is 222220200120257. The reversal of 222220200120212 is 212021002022222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20776004387 + ... + 20776015082.

It is an arithmetic number, because the mean of its divisors is an integer number (18615304722560).

Almost surely, 2^{222220200120212} is an apocalyptic number.

It is an amenable number.

222220200120212 is an abundant number, since it is smaller than the sum of its proper divisors (224547113221228).

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

222220200120212 is a wasteful number, since it uses less digits than its factorization.

222220200120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41552019671 (or 41552019669 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222220200120212 its reverse (212021002022222), we get a palindrome (434241202142434).

The spelling of 222220200120212 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, two hundred twelve".