1312113354365 has 64 divisors (see below), whose sum is σ = 1780681605120. Its totient is φ = 919913487360.

The previous prime is 1312113354359. The next prime is 1312113354401. The reversal of 1312113354365 is 5634533112131.

It is not a de Polignac number, because 1312113354365 - 2¹² = 1312113350269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63861284 + ... + 63881826.

It is an arithmetic number, because the mean of its divisors is an integer number (27823150080).

Almost surely, 2^{1312113354365} is an apocalyptic number.

It is an amenable number.

1312113354365 is a deficient number, since it is larger than the sum of its proper divisors (468568250755).

1312113354365 is a wasteful number, since it uses less digits than its factorization.

1312113354365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954.

The product of its digits is 97200, while the sum is 38.

Adding to 1312113354365 its reverse (5634533112131), we get a palindrome (6946646466496).

The spelling of 1312113354365 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred fifty-four thousand, three hundred sixty-five".