12123205024 has 48 divisors (see below), whose sum is σ = 27313070400. Its totient is φ = 5188829184.

The previous prime is 12123204983. The next prime is 12123205027. The reversal of 12123205024 is 42050232121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12123204986 and 12123205004.

It is not an unprimeable number, because it can be changed into a prime (12123205027) 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, 137067 + ... + 207445.

It is an arithmetic number, because the mean of its divisors is an integer number (569022300).

Almost surely, 2^12123205024 is an apocalyptic number.

12123205024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12123205024 is an abundant number, since it is smaller than the sum of its proper divisors (15189865376).

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

12123205024 is an equidigital number, since it uses as much as digits as its factorization.

12123205024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71165 (or 71157 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12123205024 its reverse (42050232121), we get a palindrome (54173437145).

The spelling of 12123205024 in words is "twelve billion, one hundred twenty-three million, two hundred five thousand, twenty-four".