12235544445 has 32 divisors (see below), whose sum is σ = 19665452160. Its totient is φ = 6496163840.

The previous prime is 12235544423. The next prime is 12235544491. The reversal of 12235544445 is 54444553221.

It is not a de Polignac number, because 12235544445 - 2⁵ = 12235544413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3959461 + ... + 3962549.

It is an arithmetic number, because the mean of its divisors is an integer number (614545380).

Almost surely, 2^12235544445 is an apocalyptic number.

12235544445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12235544445 is a deficient number, since it is larger than the sum of its proper divisors (7429907715).

12235544445 is a wasteful number, since it uses less digits than its factorization.

12235544445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its digits is 384000, while the sum is 39.

The spelling of 12235544445 in words is "twelve billion, two hundred thirty-five million, five hundred forty-four thousand, four hundred forty-five".