12434208885 has 96 divisors (see below), whose sum is σ = 25793147520. Its totient is φ = 5666782464.

The previous prime is 12434208851. The next prime is 12434208923. The reversal of 12434208885 is 58880243421.

12434208885 is a `hidden beast` number, since 1 + 2 + 434 + 208 + 8 + 8 + 5 = 666.

It is not a de Polignac number, because 12434208885 - 2¹⁹ = 12433684597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12434208885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2292697 + ... + 2298113.

It is an arithmetic number, because the mean of its divisors is an integer number (268678620).

Almost surely, 2^12434208885 is an apocalyptic number.

12434208885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12434208885 is an abundant number, since it is smaller than the sum of its proper divisors (13358938635).

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

12434208885 is a wasteful number, since it uses less digits than its factorization.

12434208885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 12434208885 in words is "twelve billion, four hundred thirty-four million, two hundred eight thousand, eight hundred eighty-five".