1312021450033 has 48 divisors (see below), whose sum is σ = 1590689900800. Its totient is φ = 1059878286720.

The previous prime is 1312021450027. The next prime is 1312021450039. The reversal of 1312021450033 is 3300541202131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1312021450027) and next prime (1312021450039).

It is not a de Polignac number, because 1312021450033 - 2²⁵ = 1311987895601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312021450039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73047508 + ... + 73065466.

Almost surely, 2^{1312021450033} is an apocalyptic number.

It is an amenable number.

1312021450033 is a deficient number, since it is larger than the sum of its proper divisors (278668450767).

1312021450033 is a wasteful number, since it uses less digits than its factorization.

1312021450033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302 (or 18279 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1312021450033 its reverse (3300541202131), we get a palindrome (4612562652164).

The spelling of 1312021450033 in words is "one trillion, three hundred twelve billion, twenty-one million, four hundred fifty thousand, thirty-three".