12533720502 has 8 divisors (see below), whose sum is σ = 25067441016. Its totient is φ = 4177906832.

The previous prime is 12533720491. The next prime is 12533720531. The reversal of 12533720502 is 20502733521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12533720502 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12533720502.

It is a congruent number.

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, 1044476703 + ... + 1044476714.

It is an arithmetic number, because the mean of its divisors is an integer number (3133430127).

Almost surely, 2^12533720502 is an apocalyptic number.

12533720502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12533720502 is a wasteful number, since it uses less digits than its factorization.

12533720502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088953422.

The product of its (nonzero) digits is 12600, while the sum is 30.

The spelling of 12533720502 in words is "twelve billion, five hundred thirty-three million, seven hundred twenty thousand, five hundred two".