1312233122422 has 4 divisors (see below), whose sum is σ = 1968349683636. Its totient is φ = 656116561210.

The previous prime is 1312233122393. The next prime is 1312233122423. The reversal of 1312233122422 is 2242213322131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312233122423) 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 as a sum of consecutive naturals, namely, 328058280604 + ... + 328058280607.

It is an arithmetic number, because the mean of its divisors is an integer number (492087420909).

Almost surely, 2^{1312233122422} is an apocalyptic number.

1312233122422 is a deficient number, since it is larger than the sum of its proper divisors (656116561214).

1312233122422 is an equidigital number, since it uses as much as digits as its factorization.

1312233122422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656116561213.

The product of its digits is 6912, while the sum is 28.

Adding to 1312233122422 its reverse (2242213322131), we get a palindrome (3554446444553).

The spelling of 1312233122422 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, one hundred twenty-two thousand, four hundred twenty-two".