12201011222 has 4 divisors (see below), whose sum is σ = 18301516836. Its totient is φ = 6100505610.

The previous prime is 12201011219. The next prime is 12201011239. The reversal of 12201011222 is 22211010221.

12201011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12201011197 and 12201011206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050252804 + ... + 3050252807.

It is an arithmetic number, because the mean of its divisors is an integer number (4575379209).

Almost surely, 2^12201011222 is an apocalyptic number.

12201011222 is a deficient number, since it is larger than the sum of its proper divisors (6100505614).

12201011222 is an equidigital number, since it uses as much as digits as its factorization.

12201011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100505613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201011222 its reverse (22211010221), we get a palindrome (34412021443).

The spelling of 12201011222 in words is "twelve billion, two hundred one million, eleven thousand, two hundred twenty-two".