12102745822 has 4 divisors (see below), whose sum is σ = 18154118736. Its totient is φ = 6051372910.

The previous prime is 12102745807. The next prime is 12102745841. The reversal of 12102745822 is 22854720121.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3025686454 + ... + 3025686457.

It is an arithmetic number, because the mean of its divisors is an integer number (4538529684).

Almost surely, 2^12102745822 is an apocalyptic number.

12102745822 is a deficient number, since it is larger than the sum of its proper divisors (6051372914).

12102745822 is an equidigital number, since it uses as much as digits as its factorization.

12102745822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051372913.

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 12102745822 in words is "twelve billion, one hundred two million, seven hundred forty-five thousand, eight hundred twenty-two".