1222331313123 has 12 divisors (see below), whose sum is σ = 1842354443280. Its totient is φ = 779457648816.

The previous prime is 1222331313089. The next prime is 1222331313127. The reversal of 1222331313123 is 3213131332221.

1222331313123 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 331 + 313 + 12 + 3 = 666.

It is not a de Polignac number, because 1222331313123 - 2¹⁰ = 1222331312099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222331313127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2952490888 + ... + 2952491301.

It is an arithmetic number, because the mean of its divisors is an integer number (153529536940).

Almost surely, 2^{1222331313123} is an apocalyptic number.

1222331313123 is a deficient number, since it is larger than the sum of its proper divisors (620023130157).

1222331313123 is a wasteful number, since it uses less digits than its factorization.

1222331313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904982218 (or 5904982215 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1222331313123 its reverse (3213131332221), we get a palindrome (4435462645344).

The spelling of 1222331313123 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-three".