1312100200033 has 4 divisors (see below), whose sum is σ = 1499543085760. Its totient is φ = 1124657314308.

The previous prime is 1312100199953. The next prime is 1312100200091. The reversal of 1312100200033 is 3300020012131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312100200033 - 2²¹ = 1312098102881 is a prime.

It is a super-2 number, since 2×1312100200033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312100203033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93721442853 + ... + 93721442866.

It is an arithmetic number, because the mean of its divisors is an integer number (374885771440).

Almost surely, 2^{1312100200033} is an apocalyptic number.

It is an amenable number.

1312100200033 is a deficient number, since it is larger than the sum of its proper divisors (187442885727).

1312100200033 is an equidigital number, since it uses as much as digits as its factorization.

1312100200033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187442885726.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1312100200033 its reverse (3300020012131), we get a palindrome (4612120212164).

The spelling of 1312100200033 in words is "one trillion, three hundred twelve billion, one hundred million, two hundred thousand, thirty-three".