12077816222 has 8 divisors (see below), whose sum is σ = 19070236200. Its totient is φ = 5721070824.

The previous prime is 12077816213. The next prime is 12077816237. The reversal of 12077816222 is 22261877021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 317837269 = 12077816222 / (1 + 2 + 0 + 7 + 7 + 8 + 1 + 6 + 2 + 2 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158918597 + ... + 158918672.

It is an arithmetic number, because the mean of its divisors is an integer number (2383779525).

Almost surely, 2^12077816222 is an apocalyptic number.

12077816222 is a deficient number, since it is larger than the sum of its proper divisors (6992419978).

12077816222 is a wasteful number, since it uses less digits than its factorization.

12077816222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317837290.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 12077816222 in words is "twelve billion, seventy-seven million, eight hundred sixteen thousand, two hundred twenty-two".