122223233213 has 4 divisors (see below), whose sum is σ = 122227310940. Its totient is φ = 122219155488.

The previous prime is 122223233179. The next prime is 122223233243. The reversal of 122223233213 is 312332322221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312332322221 = 79 ⋅3953573699.

It can be written as a sum of positive squares in 2 ways, for example, as 15187604644 + 107035628569 = 123238^2 + 327163^2 .

It is a cyclic number.

It is not a de Polignac number, because 122223233213 - 2²⁴ = 122206455997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223233243) 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, 1993568 + ... + 2053961.

It is an arithmetic number, because the mean of its divisors is an integer number (30556827735).

Almost surely, 2^122223233213 is an apocalyptic number.

It is an amenable number.

122223233213 is a deficient number, since it is larger than the sum of its proper divisors (4077727).

122223233213 is an equidigital number, since it uses as much as digits as its factorization.

122223233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077726.

The product of its digits is 5184, while the sum is 26.

Adding to 122223233213 its reverse (312332322221), we get a palindrome (434555555434).

The spelling of 122223233213 in words is "one hundred twenty-two billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred thirteen".