1312210111001 has 8 divisors (see below), whose sum is σ = 1334489271360. Its totient is φ = 1289932227792.

The previous prime is 1312210110941. The next prime is 1312210111021. The reversal of 1312210111001 is 1001110122131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312210111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312210111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880636 + ... + 2482178.

It is an arithmetic number, because the mean of its divisors is an integer number (166811158920).

Almost surely, 2^{1312210111001} is an apocalyptic number.

It is an amenable number.

1312210111001 is a deficient number, since it is larger than the sum of its proper divisors (22279160359).

1312210111001 is an equidigital number, since it uses as much as digits as its factorization.

1312210111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638575.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1312210111001 its reverse (1001110122131), we get a palindrome (2313320233132).

The spelling of 1312210111001 in words is "one trillion, three hundred twelve billion, two hundred ten million, one hundred eleven thousand, one".