312222221106 has 32 divisors (see below), whose sum is σ = 632438876160. Its totient is φ = 102742043664.

The previous prime is 312222221099. The next prime is 312222221111. The reversal of 312222221106 is 601122222213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3579691 + ... + 3665873.

It is an arithmetic number, because the mean of its divisors is an integer number (19763714880).

Almost surely, 2^312222221106 is an apocalyptic number.

312222221106 is an abundant number, since it is smaller than the sum of its proper divisors (320216655054).

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

312222221106 is a wasteful number, since it uses less digits than its factorization.

312222221106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93910.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312222221106 its reverse (601122222213), we get a palindrome (913344443319).

The spelling of 312222221106 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred six".