12201423024 has 40 divisors (see below), whose sum is σ = 36023249920. Its totient is φ = 3486120768.

The previous prime is 12201423023. The next prime is 12201423071. The reversal of 12201423024 is 42032410221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12201423023) 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, 18156544 + ... + 18157215.

It is an arithmetic number, because the mean of its divisors is an integer number (900581248).

Almost surely, 2^12201423024 is an apocalyptic number.

12201423024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12201423024 is an abundant number, since it is smaller than the sum of its proper divisors (23821826896).

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

12201423024 is a wasteful number, since it uses less digits than its factorization.

12201423024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36313777 (or 36313771 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12201423024 its reverse (42032410221), we get a palindrome (54233833245).

The spelling of 12201423024 in words is "twelve billion, two hundred one million, four hundred twenty-three thousand, twenty-four".