1312072005233 has 16 divisors (see below), whose sum is σ = 1446438166272. Its totient is φ = 1180235280000.

The previous prime is 1312072005227. The next prime is 1312072005269. The reversal of 1312072005233 is 3325002702131.

It is a cyclic number.

It is not a de Polignac number, because 1312072005233 - 2¹² = 1312072001137 is a prime.

It is a super-2 number, since 2×1312072005233² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312072005196 and 1312072005205.

It is not an unprimeable number, because it can be changed into a prime (1312072005203) 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, 1385693 + ... + 2131733.

It is an arithmetic number, because the mean of its divisors is an integer number (90402385392).

Almost surely, 2^{1312072005233} is an apocalyptic number.

It is an amenable number.

1312072005233 is a deficient number, since it is larger than the sum of its proper divisors (134366161039).

1312072005233 is a wasteful number, since it uses less digits than its factorization.

1312072005233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747736.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 1312072005233 its reverse (3325002702131), we get a palindrome (4637074707364).

The spelling of 1312072005233 in words is "one trillion, three hundred twelve billion, seventy-two million, five thousand, two hundred thirty-three".