1313021112112 has 20 divisors (see below), whose sum is σ = 2546960820880. Its totient is φ = 655740900288.

The previous prime is 1313021112083. The next prime is 1313021112181. The reversal of 1313021112112 is 2112111203131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313021112112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48089412 + ... + 48116707.

It is an arithmetic number, because the mean of its divisors is an integer number (127348041044).

Almost surely, 2^{1313021112112} is an apocalyptic number.

It is an amenable number.

1313021112112 is a deficient number, since it is larger than the sum of its proper divisors (1233939708768).

1313021112112 is an equidigital number, since it uses as much as digits as its factorization.

1313021112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96206980 (or 96206974 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1313021112112 its reverse (2112111203131), we get a palindrome (3425132315243).

The spelling of 1313021112112 in words is "one trillion, three hundred thirteen billion, twenty-one million, one hundred twelve thousand, one hundred twelve".