12123012024 has 96 divisors (see below), whose sum is σ = 33937113600. Its totient is φ = 3905478720.

The previous prime is 12123012019. The next prime is 12123012029. The reversal of 12123012024 is 42021032121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12123012019) and next prime (12123012029).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12123011988 and 12123012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123012029) 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 23 ways as a sum of consecutive naturals, for example, 1914127 + ... + 1920449.

It is an arithmetic number, because the mean of its divisors is an integer number (353511600).

Almost surely, 2^12123012024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12123012024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16968556800).

12123012024 is an abundant number, since it is smaller than the sum of its proper divisors (21814101576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123012024 is a wasteful number, since it uses less digits than its factorization.

12123012024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12123012024 its reverse (42021032121), we get a palindrome (54144044145).

The spelling of 12123012024 in words is "twelve billion, one hundred twenty-three million, twelve thousand, twenty-four".