1312111133213 has 8 divisors (see below), whose sum is σ = 1312518192576. Its totient is φ = 1311704150400.

The previous prime is 1312111133173. The next prime is 1312111133261. The reversal of 1312111133213 is 3123311112131.

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 1312111133213 - 2¹² = 1312111129117 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 (1312111033213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56713658 + ... + 56736788.

It is an arithmetic number, because the mean of its divisors is an integer number (164064774072).

Almost surely, 2^{1312111133213} is an apocalyptic number.

It is an amenable number.

1312111133213 is a deficient number, since it is larger than the sum of its proper divisors (407059363).

1312111133213 is an equidigital number, since it uses as much as digits as its factorization.

1312111133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38275.

The product of its digits is 324, while the sum is 23.

Adding to 1312111133213 its reverse (3123311112131), we get a palindrome (4435422245344).

The spelling of 1312111133213 in words is "one trillion, three hundred twelve billion, one hundred eleven million, one hundred thirty-three thousand, two hundred thirteen".