12402204024 has 128 divisors (see below), whose sum is σ = 35772710400. Its totient is φ = 3509875200.

The previous prime is 12402204019. The next prime is 12402204037. The reversal of 12402204024 is 42040220421.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9532174 + ... + 9533474.

It is an arithmetic number, because the mean of its divisors is an integer number (279474300).

Almost surely, 2^12402204024 is an apocalyptic number.

12402204024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12402204024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17886355200).

12402204024 is an abundant number, since it is smaller than the sum of its proper divisors (23370506376).

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

12402204024 is a wasteful number, since it uses less digits than its factorization.

12402204024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 12402204024 its reverse (42040220421), we get a palindrome (54442424445).

The spelling of 12402204024 in words is "twelve billion, four hundred two million, two hundred four thousand, twenty-four".