12078103590 has 384 divisors, whose sum is σ = 38976537600. Its totient is φ = 2688505344.

The previous prime is 12078103571. The next prime is 12078103607. The reversal of 12078103590 is 9530187021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 35839902 + ... + 35840238.

It is an arithmetic number, because the mean of its divisors is an integer number (101501400).

Almost surely, 2^12078103590 is an apocalyptic number.

12078103590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12078103590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19488268800).

12078103590 is an abundant number, since it is smaller than the sum of its proper divisors (26898434010).

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

12078103590 is an equidigital number, since it uses as much as digits as its factorization.

12078103590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 12078103590 in words is "twelve billion, seventy-eight million, one hundred three thousand, five hundred ninety".