1316222141256 has 96 divisors (see below), whose sum is σ = 3920977588320. Its totient is φ = 398855165280.

The previous prime is 1316222141239. The next prime is 1316222141261. The reversal of 1316222141256 is 6521412226131.

1316222141256 is a `hidden beast` number, since 1 + 3 + 1 + 622 + 2 + 1 + 4 + 1 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1316222141256.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6771510 + ... + 6963173.

It is an arithmetic number, because the mean of its divisors is an integer number (40843516545).

Almost surely, 2^{1316222141256} is an apocalyptic number.

It is an amenable number.

1316222141256 is an abundant number, since it is smaller than the sum of its proper divisors (2604755447064).

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

1316222141256 is a wasteful number, since it uses less digits than its factorization.

1316222141256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734728 (or 13734699 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 1316222141256 its reverse (6521412226131), we get a palindrome (7837634367387).

The spelling of 1316222141256 in words is "one trillion, three hundred sixteen billion, two hundred twenty-two million, one hundred forty-one thousand, two hundred fifty-six".