12231223101 has 8 divisors (see below), whose sum is σ = 18120330560. Its totient is φ = 8154148716.

The previous prime is 12231223099. The next prime is 12231223127. The reversal of 12231223101 is 10132213221.

12231223101 is a `hidden beast` number, since 122 + 312 + 231 + 0 + 1 = 666.

It is not a de Polignac number, because 12231223101 - 2¹ = 12231223099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231223181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226504105 + ... + 226504158.

It is an arithmetic number, because the mean of its divisors is an integer number (2265041320).

Almost surely, 2^12231223101 is an apocalyptic number.

It is an amenable number.

12231223101 is a deficient number, since it is larger than the sum of its proper divisors (5889107459).

12231223101 is an equidigital number, since it uses as much as digits as its factorization.

12231223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453008272 (or 453008266 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12231223101 its reverse (10132213221), we get a palindrome (22363436322).

The spelling of 12231223101 in words is "twelve billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred one".