222120201213 has 32 divisors (see below), whose sum is σ = 351873659520. Its totient is φ = 137989612800.

The previous prime is 222120201167. The next prime is 222120201221. The reversal of 222120201213 is 312102021222.

It is not a de Polignac number, because 222120201213 - 2²² = 222116006909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120201313) 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, 2349295 + ... + 2442012.

It is an arithmetic number, because the mean of its divisors is an integer number (10996051860).

Almost surely, 2^222120201213 is an apocalyptic number.

It is an amenable number.

222120201213 is a deficient number, since it is larger than the sum of its proper divisors (129753458307).

222120201213 is a wasteful number, since it uses less digits than its factorization.

222120201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791434 (or 4791428 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222120201213 its reverse (312102021222), we get a palindrome (534222222435).

The spelling of 222120201213 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred thirteen".