12231211124 has 24 divisors (see below), whose sum is σ = 24365734848. Its totient is φ = 5317917440.

The previous prime is 12231211121. The next prime is 12231211133. The reversal of 12231211124 is 42111213221.

It is a super-2 number, since 2×12231211124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231211096 and 12231211105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231211121) 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, 6042077 + ... + 6044100.

It is an arithmetic number, because the mean of its divisors is an integer number (1015238952).

Almost surely, 2^12231211124 is an apocalyptic number.

It is an amenable number.

12231211124 is a deficient number, since it is larger than the sum of its proper divisors (12134523724).

12231211124 is a wasteful number, since it uses less digits than its factorization.

12231211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086215 (or 12086213 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 12231211124 its reverse (42111213221), we get a palindrome (54342424345).

The spelling of 12231211124 in words is "twelve billion, two hundred thirty-one million, two hundred eleven thousand, one hundred twenty-four".