12201224221023 has 4 divisors (see below), whose sum is σ = 16268298961368. Its totient is φ = 8134149480680.

The previous prime is 12201224221003. The next prime is 12201224221033. The reversal of 12201224221023 is 32012242210221.

12201224221023 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 cyclic number.

It is not a de Polignac number, because 12201224221023 - 2³⁶ = 12132504744287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201224220984 and 12201224221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201224221003) 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, 2033537370168 + ... + 2033537370173.

It is an arithmetic number, because the mean of its divisors is an integer number (4067074740342).

Almost surely, 2^{12201224221023} is an apocalyptic number.

12201224221023 is a deficient number, since it is larger than the sum of its proper divisors (4067074740345).

12201224221023 is an equidigital number, since it uses as much as digits as its factorization.

12201224221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067074740344.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12201224221023 its reverse (32012242210221), we get a palindrome (44213466431244).

The spelling of 12201224221023 in words is "twelve trillion, two hundred one billion, two hundred twenty-four million, two hundred twenty-one thousand, twenty-three".