1312550274205 has 8 divisors (see below), whose sum is σ = 1575112594104. Its totient is φ = 1050005376000.

The previous prime is 1312550274199. The next prime is 1312550274223. The reversal of 1312550274205 is 5024720552131.

It can be written as a sum of positive squares in 4 ways, for example, as 31006279396 + 1281543994809 = 176086^2 + 1132053^2 .

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

It is not a de Polignac number, because 1312550274205 - 2⁵ = 1312550274173 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, 4189096 + ... + 4491505.

It is an arithmetic number, because the mean of its divisors is an integer number (196889074263).

Almost surely, 2^{1312550274205} is an apocalyptic number.

It is an amenable number.

1312550274205 is a deficient number, since it is larger than the sum of its proper divisors (262562319899).

1312550274205 is an equidigital number, since it uses as much as digits as its factorization.

1312550274205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710847.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1312550274205 in words is "one trillion, three hundred twelve billion, five hundred fifty million, two hundred seventy-four thousand, two hundred five".