1252313345133 has 12 divisors (see below), whose sum is σ = 1808907509760. Its totient is φ = 834870737736.

The previous prime is 1252313345077. The next prime is 1252313345137. The reversal of 1252313345133 is 3315433132521.

1252313345133 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 3 + 133 + 4 + 513 + 3 = 666.

It is not a de Polignac number, because 1252313345133 - 2⁶ = 1252313345069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252313345137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1990938 + ... + 2543316.

It is an arithmetic number, because the mean of its divisors is an integer number (150742292480).

Almost surely, 2^{1252313345133} is an apocalyptic number.

It is an amenable number.

1252313345133 is a deficient number, since it is larger than the sum of its proper divisors (556594164627).

1252313345133 is a wasteful number, since it uses less digits than its factorization.

1252313345133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804288 (or 804285 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 1252313345133 its reverse (3315433132521), we get a palindrome (4567746477654).

The spelling of 1252313345133 in words is "one trillion, two hundred fifty-two billion, three hundred thirteen million, three hundred forty-five thousand, one hundred thirty-three".