12122300231 has 4 divisors (see below), whose sum is σ = 12131604912. Its totient is φ = 12112995552.

The previous prime is 12122300161. The next prime is 12122300251. The reversal of 12122300231 is 13200322121.

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 12122300231 - 2¹⁰ = 12122299207 is a prime.

It is a super-2 number, since 2×12122300231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122300251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650386 + ... + 4652991.

It is an arithmetic number, because the mean of its divisors is an integer number (3032901228).

Almost surely, 2^12122300231 is an apocalyptic number.

12122300231 is a deficient number, since it is larger than the sum of its proper divisors (9304681).

12122300231 is an equidigital number, since it uses as much as digits as its factorization.

12122300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304680.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12122300231 its reverse (13200322121), we get a palindrome (25322622352).

The spelling of 12122300231 in words is "twelve billion, one hundred twenty-two million, three hundred thousand, two hundred thirty-one".