1312155442322 has 8 divisors (see below), whose sum is σ = 1968293619900. Its totient is φ = 656057569024.

The previous prime is 1312155442313. The next prime is 1312155442331. The reversal of 1312155442322 is 2232445512131.

It is an interprime number because it is at equal distance from previous prime (1312155442313) and next prime (1312155442331).

It can be written as a sum of positive squares in 2 ways, for example, as 1297819929961 + 14335512361 = 1139219^2 + 119731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9994547 + ... + 10124982.

Almost surely, 2^{1312155442322} is an apocalyptic number.

1312155442322 is a deficient number, since it is larger than the sum of its proper divisors (656138177578).

1312155442322 is a wasteful number, since it uses less digits than its factorization.

1312155442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20152140.

The product of its digits is 57600, while the sum is 35.

The spelling of 1312155442322 in words is "one trillion, three hundred twelve billion, one hundred fifty-five million, four hundred forty-two thousand, three hundred twenty-two".