222122112100312 has 32 divisors (see below), whose sum is σ = 441393347459520. Its totient is φ = 104429534256640.

The previous prime is 222122112100279. The next prime is 222122112100351. The reversal of 222122112100312 is 213001211221222.

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, 769530928 + ... + 769819519.

It is an arithmetic number, because the mean of its divisors is an integer number (13793542108110).

Almost surely, 2^{222122112100312} is an apocalyptic number.

It is an amenable number.

222122112100312 is a deficient number, since it is larger than the sum of its proper divisors (219271235359208).

222122112100312 is a wasteful number, since it uses less digits than its factorization.

222122112100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539351531 (or 1539351527 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222122112100312 its reverse (213001211221222), we get a palindrome (435123323321534).

The spelling of 222122112100312 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twelve million, one hundred thousand, three hundred twelve".