12209203798 has 8 divisors (see below), whose sum is σ = 19978697160. Its totient is φ = 5549638080.

The previous prime is 12209203793. The next prime is 12209203823. The reversal of 12209203798 is 89730290221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209203793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277481883 + ... + 277481926.

It is an arithmetic number, because the mean of its divisors is an integer number (2497337145).

Almost surely, 2^12209203798 is an apocalyptic number.

12209203798 is a deficient number, since it is larger than the sum of its proper divisors (7769493362).

12209203798 is a wasteful number, since it uses less digits than its factorization.

12209203798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554963822.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 12209203798 in words is "twelve billion, two hundred nine million, two hundred three thousand, seven hundred ninety-eight".