1312112313213 has 8 divisors (see below), whose sum is σ = 1884058706208. Its totient is φ = 807453731184.

The previous prime is 1312112313157. The next prime is 1312112313229. The reversal of 1312112313213 is 3123132112131.

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

It is not a de Polignac number, because 1312112313213 - 2⁹ = 1312112312701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312112317213) 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, 16821952695 + ... + 16821952772.

It is an arithmetic number, because the mean of its divisors is an integer number (235507338276).

Almost surely, 2^{1312112313213} is an apocalyptic number.

1312112313213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312112313213 is a deficient number, since it is larger than the sum of its proper divisors (571946392995).

1312112313213 is a wasteful number, since it uses less digits than its factorization.

1312112313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33643905483.

The product of its digits is 648, while the sum is 24.

Adding to 1312112313213 its reverse (3123132112131), we get a palindrome (4435244425344).

The spelling of 1312112313213 in words is "one trillion, three hundred twelve billion, one hundred twelve million, three hundred thirteen thousand, two hundred thirteen".