12032043345 has 60 divisors (see below), whose sum is σ = 25089989364. Its totient is φ = 5500353600.

The previous prime is 12032043307. The next prime is 12032043407. The reversal of 12032043345 is 54334023021.

12032043345 is a `hidden beast` number, since 1 + 2 + 0 + 320 + 4 + 334 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8495124561 + 3536918784 = 92169^2 + 59472^2 .

It is not a de Polignac number, because 12032043345 - 2¹⁵ = 12032010577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 283306 + ... + 322995.

Almost surely, 2^12032043345 is an apocalyptic number.

12032043345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12032043345 is an abundant number, since it is smaller than the sum of its proper divisors (13057946019).

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

12032043345 is an equidigital number, since it uses as much as digits as its factorization.

12032043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606332 (or 606316 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 12032043345 its reverse (54334023021), we get a palindrome (66366066366).

The spelling of 12032043345 in words is "twelve billion, thirty-two million, forty-three thousand, three hundred forty-five".