12533113001 has 4 divisors (see below), whose sum is σ = 12535541904. Its totient is φ = 12530684100.

The previous prime is 12533112973. The next prime is 12533113007. The reversal of 12533113001 is 10031133521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10031133521 = 41549 ⋅241429.

It is a cyclic number.

It is not a de Polignac number, because 12533113001 - 2³⁰ = 11459371177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12533113007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206695 + ... + 1217036.

It is an arithmetic number, because the mean of its divisors is an integer number (3133885476).

Almost surely, 2^12533113001 is an apocalyptic number.

It is an amenable number.

12533113001 is a deficient number, since it is larger than the sum of its proper divisors (2428903).

12533113001 is an equidigital number, since it uses as much as digits as its factorization.

12533113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428902.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 12533113001 its reverse (10031133521), we get a palindrome (22564246522).

The spelling of 12533113001 in words is "twelve billion, five hundred thirty-three million, one hundred thirteen thousand, one".