12404132020 has 96 divisors (see below), whose sum is σ = 29983968000. Its totient is φ = 4222402560.

The previous prime is 12404132009. The next prime is 12404132029. The reversal of 12404132020 is 2023140421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404132029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19350900 + ... + 19351540.

It is an arithmetic number, because the mean of its divisors is an integer number (312333000).

Almost surely, 2^12404132020 is an apocalyptic number.

12404132020 is a gapful number since it is divisible by the number (10) 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 12404132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14991984000).

12404132020 is an abundant number, since it is smaller than the sum of its proper divisors (17579835980).

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

12404132020 is a wasteful number, since it uses less digits than its factorization.

12404132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12404132020 its reverse (2023140421), we get a palindrome (14427272441).

The spelling of 12404132020 in words is "twelve billion, four hundred four million, one hundred thirty-two thousand, twenty".