12052256535 has 24 divisors (see below), whose sum is σ = 22789722384. Its totient is φ = 5843518080.

The previous prime is 12052256527. The next prime is 12052256543. The reversal of 12052256535 is 53565225021.

12052256535 is a `hidden beast` number, since 1 + 20 + 52 + 2 + 56 + 535 = 666.

It is an interprime number because it is at equal distance from previous prime (12052256527) and next prime (12052256543).

It is not a de Polignac number, because 12052256535 - 2³ = 12052256527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12052256535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12173502 + ... + 12174491.

It is an arithmetic number, because the mean of its divisors is an integer number (949571766).

Almost surely, 2^12052256535 is an apocalyptic number.

12052256535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12052256535 is a deficient number, since it is larger than the sum of its proper divisors (10737465849).

12052256535 is a wasteful number, since it uses less digits than its factorization.

12052256535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24348015 (or 24348012 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 12052256535 in words is "twelve billion, fifty-two million, two hundred fifty-six thousand, five hundred thirty-five".