12455433320 has 64 divisors (see below), whose sum is σ = 31283461440. Its totient is φ = 4423910400.

The previous prime is 12455433281. The next prime is 12455433323. The reversal of 12455433320 is 2333455421.

12455433320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12455433323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310241 + ... + 348080.

It is an arithmetic number, because the mean of its divisors is an integer number (488804085).

Almost surely, 2^12455433320 is an apocalyptic number.

12455433320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12455433320 is an abundant number, since it is smaller than the sum of its proper divisors (18828028120).

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

12455433320 is a wasteful number, since it uses less digits than its factorization.

12455433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658386 (or 658382 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 12455433320 its reverse (2333455421), we get a palindrome (14788888741).

The spelling of 12455433320 in words is "twelve billion, four hundred fifty-five million, four hundred thirty-three thousand, three hundred twenty".