12225836906 has 32 divisors (see below), whose sum is σ = 18983859840. Its totient is φ = 5902758400.

The previous prime is 12225836873. The next prime is 12225836933. The reversal of 12225836906 is 60963852221.

It is a super-2 number, since 2×12225836906² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347746 + ... + 1356786.

It is an arithmetic number, because the mean of its divisors is an integer number (593245620).

Almost surely, 2^12225836906 is an apocalyptic number.

12225836906 is a deficient number, since it is larger than the sum of its proper divisors (6758022934).

12225836906 is a wasteful number, since it uses less digits than its factorization.

12225836906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 12225836906 in words is "twelve billion, two hundred twenty-five million, eight hundred thirty-six thousand, nine hundred six".