12228650857 has 8 divisors (see below), whose sum is σ = 13186222560. Its totient is φ = 11302475040.

The previous prime is 12228650831. The next prime is 12228650909. The reversal of 12228650857 is 75805682221.

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

It is a cyclic number.

It is not a de Polignac number, because 12228650857 - 2⁷ = 12228650729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12228650657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7848163 + ... + 7849720.

It is an arithmetic number, because the mean of its divisors is an integer number (1648277820).

Almost surely, 2^12228650857 is an apocalyptic number.

It is an amenable number.

12228650857 is a deficient number, since it is larger than the sum of its proper divisors (957571703).

12228650857 is a wasteful number, since it uses less digits than its factorization.

12228650857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15697943.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 12228650857 in words is "twelve billion, two hundred twenty-eight million, six hundred fifty thousand, eight hundred fifty-seven".