1312122331333 has 16 divisors (see below), whose sum is σ = 1540452565440. Its totient is φ = 1104267052800.

The previous prime is 1312122331319. The next prime is 1312122331363. The reversal of 1312122331333 is 3331332212131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1312122331333 - 2⁹ = 1312122330821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312122331363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57502503 + ... + 57525316.

It is an arithmetic number, because the mean of its divisors is an integer number (96278285340).

Almost surely, 2^{1312122331333} is an apocalyptic number.

It is an amenable number.

1312122331333 is a deficient number, since it is larger than the sum of its proper divisors (228330234107).

1312122331333 is a wasteful number, since it uses less digits than its factorization.

1312122331333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115027908.

The product of its digits is 5832, while the sum is 28.

Adding to 1312122331333 its reverse (3331332212131), we get a palindrome (4643454543464).

The spelling of 1312122331333 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred thirty-three".