12202121223 has 12 divisors (see below), whose sum is σ = 18035177160. Its totient is φ = 7945567056.

The previous prime is 12202121209. The next prime is 12202121231. The reversal of 12202121223 is 32212120221.

12202121223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12202121223 - 2¹⁴ = 12202104839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202121196 and 12202121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202121123) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 15764628 + ... + 15765401.

It is an arithmetic number, because the mean of its divisors is an integer number (1502931430).

Almost surely, 2^12202121223 is an apocalyptic number.

12202121223 is a deficient number, since it is larger than the sum of its proper divisors (5833055937).

12202121223 is a wasteful number, since it uses less digits than its factorization.

12202121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31530078 (or 31530075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12202121223 its reverse (32212120221), we get a palindrome (44414241444).

The spelling of 12202121223 in words is "twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty-three".