12211212023 has 2 divisors, whose sum is σ = 12211212024. Its totient is φ = 12211212022.

The previous prime is 12211212019. The next prime is 12211212037. The reversal of 12211212023 is 32021211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211212023 - 2² = 12211212019 is a prime.

It is a super-2 number, since 2×12211212023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211211992 and 12211212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211212043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105606011 + 6105606012.

It is an arithmetic number, because the mean of its divisors is an integer number (6105606012).

Almost surely, 2^12211212023 is an apocalyptic number.

12211212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211212023 is an equidigital number, since it uses as much as digits as its factorization.

12211212023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12211212023 its reverse (32021211221), we get a palindrome (44232423244).

The spelling of 12211212023 in words is "twelve billion, two hundred eleven million, two hundred twelve thousand, twenty-three".