3112321201222 has 32 divisors (see below), whose sum is σ = 4778390403072. Its totient is φ = 1519673946624.

The previous prime is 3112321201183. The next prime is 3112321201229. The reversal of 3112321201222 is 2221021232113.

It is a junction number, because it is equal to n+sod(n) for n = 3112321201193 and 3112321201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112321201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121643043 + ... + 121668625.

It is an arithmetic number, because the mean of its divisors is an integer number (149324700096).

Almost surely, 2^{3112321201222} is an apocalyptic number.

3112321201222 is a deficient number, since it is larger than the sum of its proper divisors (1666069201850).

3112321201222 is a wasteful number, since it uses less digits than its factorization.

3112321201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3112321201222 its reverse (2221021232113), we get a palindrome (5333342433335).

The spelling of 3112321201222 in words is "three trillion, one hundred twelve billion, three hundred twenty-one million, two hundred one thousand, two hundred twenty-two".