12201180806 has 24 divisors (see below), whose sum is σ = 20257544664. Its totient is φ = 5492083520.

The previous prime is 12201180751. The next prime is 12201180853. The reversal of 12201180806 is 60808110221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321200 + ... + 357171.

It is an arithmetic number, because the mean of its divisors is an integer number (844064361).

Almost surely, 2^12201180806 is an apocalyptic number.

12201180806 is a deficient number, since it is larger than the sum of its proper divisors (8056363858).

12201180806 is a wasteful number, since it uses less digits than its factorization.

12201180806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678436 (or 678413 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The spelling of 12201180806 in words is "twelve billion, two hundred one million, one hundred eighty thousand, eight hundred six".