12051504442 has 16 divisors (see below), whose sum is σ = 19972827072. Its totient is φ = 5424717760.

The previous prime is 12051504407. The next prime is 12051504463. The reversal of 12051504442 is 24440515021.

It is a self number, because there is not a number n which added to its sum of digits gives 12051504442.

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 7 ways as a sum of consecutive naturals, for example, 7704784 + ... + 7706347.

It is an arithmetic number, because the mean of its divisors is an integer number (1248301692).

Almost surely, 2^12051504442 is an apocalyptic number.

12051504442 is a deficient number, since it is larger than the sum of its proper divisors (7921322630).

12051504442 is a wasteful number, since it uses less digits than its factorization.

12051504442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411173.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 12051504442 in words is "twelve billion, fifty-one million, five hundred four thousand, four hundred forty-two".