12503364133 has 16 divisors (see below), whose sum is σ = 13524900480. Its totient is φ = 11490486336.

The previous prime is 12503364127. The next prime is 12503364179. The reversal of 12503364133 is 33146330521.

It is a cyclic number.

It is not a de Polignac number, because 12503364133 - 2²⁵ = 12469809701 is a prime.

It is a super-2 number, since 2×12503364133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12503364095 and 12503364104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503364733) 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, 2954463 + ... + 2958691.

It is an arithmetic number, because the mean of its divisors is an integer number (845306280).

Almost surely, 2^12503364133 is an apocalyptic number.

12503364133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12503364133 is a deficient number, since it is larger than the sum of its proper divisors (1021536347).

12503364133 is a wasteful number, since it uses less digits than its factorization.

12503364133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 12503364133 its reverse (33146330521), we get a palindrome (45649694654).

The spelling of 12503364133 in words is "twelve billion, five hundred three million, three hundred sixty-four thousand, one hundred thirty-three".