1222123112343 has 18 divisors (see below), whose sum is σ = 2053499379984. Its totient is φ = 698356063944.

The previous prime is 1222123112321. The next prime is 1222123112377. The reversal of 1222123112343 is 3432113212221.

1222123112343 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 2 + 311 + 2 + 343 = 666.

It is not a de Polignac number, because 1222123112343 - 2⁶ = 1222123112279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222123112303) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1385626671 + ... + 1385627552.

It is an arithmetic number, because the mean of its divisors is an integer number (114083298888).

Almost surely, 2^{1222123112343} is an apocalyptic number.

1222123112343 is a deficient number, since it is larger than the sum of its proper divisors (831376267641).

1222123112343 is a wasteful number, since it uses less digits than its factorization.

1222123112343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771254243 (or 2771254233 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 1222123112343 its reverse (3432113212221), we get a palindrome (4654236324564).

The spelling of 1222123112343 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred twelve thousand, three hundred forty-three".