1313212111112 has 64 divisors (see below), whose sum is σ = 2836673602560. Its totient is φ = 564082657600.

The previous prime is 1313212111067. The next prime is 1313212111201. The reversal of 1313212111112 is 2111112123131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740564 + ... + 4076547.

It is an arithmetic number, because the mean of its divisors is an integer number (44323025040).

Almost surely, 2^{1313212111112} is an apocalyptic number.

It is an amenable number.

1313212111112 is an abundant number, since it is smaller than the sum of its proper divisors (1523461491448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313212111112 is a wasteful number, since it uses less digits than its factorization.

1313212111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817234 (or 7817230 counting only the distinct ones).

The product of its digits is 72, while the sum is 20.

Adding to 1313212111112 its reverse (2111112123131), we get a palindrome (3424324234243).

The spelling of 1313212111112 in words is "one trillion, three hundred thirteen billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".