12229009826 has 16 divisors (see below), whose sum is σ = 20701146240. Its totient is φ = 5366963280.

The previous prime is 12229009787. The next prime is 12229009879. The reversal of 12229009826 is 62890092221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583226 + ... + 9584501.

It is an arithmetic number, because the mean of its divisors is an integer number (1293821640).

Almost surely, 2^12229009826 is an apocalyptic number.

12229009826 is a deficient number, since it is larger than the sum of its proper divisors (8472136414).

12229009826 is a wasteful number, since it uses less digits than its factorization.

12229009826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167769.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12229009826 in words is "twelve billion, two hundred twenty-nine million, nine thousand, eight hundred twenty-six".