12213230122 has 4 divisors (see below), whose sum is σ = 18319845186. Its totient is φ = 6106615060.

The previous prime is 12213230119. The next prime is 12213230129. The reversal of 12213230122 is 22103231221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12195005761 + 18224361 = 110431^2 + 4269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12213230122.

It is not an unprimeable number, because it can be changed into a prime (12213230129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053307529 + ... + 3053307532.

Almost surely, 2^12213230122 is an apocalyptic number.

12213230122 is a deficient number, since it is larger than the sum of its proper divisors (6106615064).

12213230122 is an equidigital number, since it uses as much as digits as its factorization.

12213230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106615063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12213230122 its reverse (22103231221), we get a palindrome (34316461343).

The spelling of 12213230122 in words is "twelve billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-two".