12212200023 has 4 divisors (see below), whose sum is σ = 16282933368. Its totient is φ = 8141466680.

The previous prime is 12212199977. The next prime is 12212200043. The reversal of 12212200023 is 32000221221.

It is a happy number.

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 12212200023 - 2⁸ = 12212199767 is a prime.

It is a super-2 number, since 2×12212200023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212199975 and 12212200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212200043) 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, 2035366668 + ... + 2035366673.

It is an arithmetic number, because the mean of its divisors is an integer number (4070733342).

Almost surely, 2^12212200023 is an apocalyptic number.

12212200023 is a deficient number, since it is larger than the sum of its proper divisors (4070733345).

12212200023 is an equidigital number, since it uses as much as digits as its factorization.

12212200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070733344.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12212200023 its reverse (32000221221), we get a palindrome (44212421244).

The spelling of 12212200023 in words is "twelve billion, two hundred twelve million, two hundred thousand, twenty-three".