12053783508 has 48 divisors (see below), whose sum is σ = 30337243776. Its totient is φ = 3702948480.

The previous prime is 12053783471. The next prime is 12053783527. The reversal of 12053783508 is 80538735021.

It is a self number, because there is not a number n which added to its sum of digits gives 12053783508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37210 + ... + 159662.

It is an arithmetic number, because the mean of its divisors is an integer number (632025912).

Almost surely, 2^12053783508 is an apocalyptic number.

It is an amenable number.

12053783508 is an abundant number, since it is smaller than the sum of its proper divisors (18283460268).

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

12053783508 is a wasteful number, since it uses less digits than its factorization.

12053783508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123104 (or 123102 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 12053783508 in words is "twelve billion, fifty-three million, seven hundred eighty-three thousand, five hundred eight".