12533430536 has 16 divisors (see below), whose sum is σ = 25636562640. Its totient is φ = 5697013840.

The previous prime is 12533430529. The next prime is 12533430551. The reversal of 12533430536 is 63503433521.

It is a junction number, because it is equal to n+sod(n) for n = 12533430496 and 12533430505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71212586 + ... + 71212761.

It is an arithmetic number, because the mean of its divisors is an integer number (1602285165).

Almost surely, 2^12533430536 is an apocalyptic number.

It is an amenable number.

12533430536 is an abundant number, since it is smaller than the sum of its proper divisors (13103132104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12533430536 is a wasteful number, since it uses less digits than its factorization.

12533430536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142425364 (or 142425360 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 12533430536 in words is "twelve billion, five hundred thirty-three million, four hundred thirty thousand, five hundred thirty-six".