12008451728550 has 48 divisors (see below), whose sum is σ = 30507325187472. Its totient is φ = 3124150041600.

The previous prime is 12008451728549. The next prime is 12008451728563. The reversal of 12008451728550 is 5582715480021.

It is a self number, because there is not a number n which added to its sum of digits gives 12008451728550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976290739 + ... + 976303038.

It is an arithmetic number, because the mean of its divisors is an integer number (635569274739).

Almost surely, 2^{12008451728550} is an apocalyptic number.

12008451728550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12008451728550 is an abundant number, since it is smaller than the sum of its proper divisors (18498873458922).

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

12008451728550 is a wasteful number, since it uses less digits than its factorization.

12008451728550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952593833 (or 1952593828 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 48.

The spelling of 12008451728550 in words is "twelve trillion, eight billion, four hundred fifty-one million, seven hundred twenty-eight thousand, five hundred fifty".