12306393678222 has 48 divisors (see below), whose sum is σ = 30768828979200. Its totient is φ = 3481975461456.

The previous prime is 12306393678221. The next prime is 12306393678269. The reversal of 12306393678222 is 22287639360321.

It is a happy number.

12306393678222 is a `hidden beast` number, since 1 + 23 + 0 + 6 + 39 + 367 + 8 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306393678221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474112222 + ... + 474138177.

It is an arithmetic number, because the mean of its divisors is an integer number (641017270400).

Almost surely, 2^{12306393678222} is an apocalyptic number.

12306393678222 is an abundant number, since it is smaller than the sum of its proper divisors (18462435300978).

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

12306393678222 is a wasteful number, since it uses less digits than its factorization.

12306393678222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948250517 (or 948250514 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 12306393678222 in words is "twelve trillion, three hundred six billion, three hundred ninety-three million, six hundred seventy-eight thousand, two hundred twenty-two".