1312122656255 has 8 divisors (see below), whose sum is σ = 1574554522992. Its totient is φ = 1049693234688.

The previous prime is 1312122656239. The next prime is 1312122656357. The reversal of 1312122656255 is 5526562212131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312122656255 - 2⁴ = 1312122656239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916319 + ... + 1861151.

It is an arithmetic number, because the mean of its divisors is an integer number (196819315374).

Almost surely, 2^{1312122656255} is an apocalyptic number.

1312122656255 is a deficient number, since it is larger than the sum of its proper divisors (262431866737).

1312122656255 is an equidigital number, since it uses as much as digits as its factorization.

1312122656255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222585.

The product of its digits is 216000, while the sum is 41.

Adding to 1312122656255 its reverse (5526562212131), we get a palindrome (6838684868386).

The spelling of 1312122656255 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, six hundred fifty-six thousand, two hundred fifty-five".