1312691160225 has 48 divisors (see below), whose sum is σ = 2173716841472. Its totient is φ = 699005885760.

The previous prime is 1312691160197. The next prime is 1312691160229. The reversal of 1312691160225 is 5220611962131.

It is a happy number.

It is not a de Polignac number, because 1312691160225 - 2²² = 1312686965921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312691160229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141403434 + ... + 141412716.

Almost surely, 2^{1312691160225} is an apocalyptic number.

1312691160225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1312691160225 is a deficient number, since it is larger than the sum of its proper divisors (861025681247).

1312691160225 is a wasteful number, since it uses less digits than its factorization.

1312691160225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12046 (or 12041 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 1312691160225 in words is "one trillion, three hundred twelve billion, six hundred ninety-one million, one hundred sixty thousand, two hundred twenty-five".