1312244403422 has 4 divisors (see below), whose sum is σ = 1968366605136. Its totient is φ = 656122201710.

The previous prime is 1312244403367. The next prime is 1312244403467. The reversal of 1312244403422 is 2243044422131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328061100854 + ... + 328061100857.

It is an arithmetic number, because the mean of its divisors is an integer number (492091651284).

Almost surely, 2^{1312244403422} is an apocalyptic number.

1312244403422 is a deficient number, since it is larger than the sum of its proper divisors (656122201714).

1312244403422 is an equidigital number, since it uses as much as digits as its factorization.

1312244403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656122201713.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1312244403422 its reverse (2243044422131), we get a palindrome (3555288825553).

The spelling of 1312244403422 in words is "one trillion, three hundred twelve billion, two hundred forty-four million, four hundred three thousand, four hundred twenty-two".