222120971312 has 20 divisors (see below), whose sum is σ = 440367741000. Its totient is φ = 108477683328.

The previous prime is 222120971309. The next prime is 222120971333. The reversal of 222120971312 is 213179021222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161424437 + ... + 161425812.

It is an arithmetic number, because the mean of its divisors is an integer number (22018387050).

Almost surely, 2^222120971312 is an apocalyptic number.

It is an amenable number.

222120971312 is a deficient number, since it is larger than the sum of its proper divisors (218246769688).

222120971312 is a wasteful number, since it uses less digits than its factorization.

222120971312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322850300 (or 322850294 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 222120971312 its reverse (213179021222), we get a palindrome (435299992534).

The spelling of 222120971312 in words is "two hundred twenty-two billion, one hundred twenty million, nine hundred seventy-one thousand, three hundred twelve".