1312210111108 has 12 divisors (see below), whose sum is σ = 2473011363340. Its totient is φ = 605635435872.

The previous prime is 1312210111103. The next prime is 1312210111127. The reversal of 1312210111108 is 8011110122131.

It can be written as a sum of positive squares in 2 ways, for example, as 666642856324 + 645567254784 = 816482^2 + 803472^2 .

It is not an unprimeable number, because it can be changed into a prime (1312210111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12617404863 + ... + 12617404966.

Almost surely, 2^{1312210111108} is an apocalyptic number.

It is an amenable number.

1312210111108 is a deficient number, since it is larger than the sum of its proper divisors (1160801252232).

1312210111108 is a wasteful number, since it uses less digits than its factorization.

1312210111108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25234809846 (or 25234809844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 22.

Adding to 1312210111108 its reverse (8011110122131), we get a palindrome (9323320233239).

The spelling of 1312210111108 in words is "one trillion, three hundred twelve billion, two hundred ten million, one hundred eleven thousand, one hundred eight".