12535220884 has 48 divisors (see below), whose sum is σ = 23555750400. Its totient is φ = 5823619200.

The previous prime is 12535220839. The next prime is 12535220891. The reversal of 12535220884 is 48802253521.

It is a super-2 number, since 2×12535220884² (a number of 21 digits) contains 22 as substring.

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, 641247 + ... + 660505.

It is an arithmetic number, because the mean of its divisors is an integer number (490744800).

Almost surely, 2^12535220884 is an apocalyptic number.

It is an amenable number.

12535220884 is a deficient number, since it is larger than the sum of its proper divisors (11020529516).

12535220884 is a wasteful number, since it uses less digits than its factorization.

12535220884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504 (or 19502 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 12535220884 in words is "twelve billion, five hundred thirty-five million, two hundred twenty thousand, eight hundred eighty-four".