1316221234326 has 12 divisors (see below), whose sum is σ = 2851812674412. Its totient is φ = 438740411436.

The previous prime is 1316221234319. The next prime is 1316221234331. The reversal of 1316221234326 is 6234321226131.

1316221234326 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 2 + 212 + 3 + 432 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36561700936 + ... + 36561700971.

It is an arithmetic number, because the mean of its divisors is an integer number (237651056201).

Almost surely, 2^{1316221234326} is an apocalyptic number.

1316221234326 is an abundant number, since it is smaller than the sum of its proper divisors (1535591440086).

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

1316221234326 is a wasteful number, since it uses less digits than its factorization.

1316221234326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73123401915 (or 73123401912 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 1316221234326 in words is "one trillion, three hundred sixteen billion, two hundred twenty-one million, two hundred thirty-four thousand, three hundred twenty-six".