1312116234149 has 4 divisors (see below), whose sum is σ = 1499561410464. Its totient is φ = 1124671057836.

The previous prime is 1312116234133. The next prime is 1312116234167. The reversal of 1312116234149 is 9414326112131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312116234149 - 2⁴ = 1312116234133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312116234109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93722588147 + ... + 93722588160.

It is an arithmetic number, because the mean of its divisors is an integer number (374890352616).

Almost surely, 2^{1312116234149} is an apocalyptic number.

It is an amenable number.

1312116234149 is a deficient number, since it is larger than the sum of its proper divisors (187445176315).

1312116234149 is an equidigital number, since it uses as much as digits as its factorization.

1312116234149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187445176314.

The product of its digits is 31104, while the sum is 38.

The spelling of 1312116234149 in words is "one trillion, three hundred twelve billion, one hundred sixteen million, two hundred thirty-four thousand, one hundred forty-nine".