12455455500 has 144 divisors (see below), whose sum is σ = 39353924064. Its totient is φ = 3316291200.

The previous prime is 12455455499. The next prime is 12455455577. The reversal of 12455455500 is 555455421.

12455455500 is a `hidden beast` number, since 1 + 2 + 4 + 554 + 55 + 50 + 0 = 666.

12455455500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3539742 + ... + 3543258.

Almost surely, 2^12455455500 is an apocalyptic number.

12455455500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12455455500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19676962032).

12455455500 is an abundant number, since it is smaller than the sum of its proper divisors (26898468564).

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

12455455500 is a wasteful number, since it uses less digits than its factorization.

12455455500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 12455455500 in words is "twelve billion, four hundred fifty-five million, four hundred fifty-five thousand, five hundred".