12404203140 has 192 divisors, whose sum is σ = 42430832640. Its totient is φ = 2645744640.

The previous prime is 12404203139. The next prime is 12404203159. The reversal of 12404203140 is 4130240421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380401 + ... + 411719.

It is an arithmetic number, because the mean of its divisors is an integer number (220993920).

Almost surely, 2^12404203140 is an apocalyptic number.

12404203140 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 12404203140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21215416320).

12404203140 is an abundant number, since it is smaller than the sum of its proper divisors (30026629500).

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

12404203140 is a wasteful number, since it uses less digits than its factorization.

12404203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31402 (or 31400 counting only the distinct ones).

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

Adding to 12404203140 its reverse (4130240421), we get a palindrome (16534443561).

The spelling of 12404203140 in words is "twelve billion, four hundred four million, two hundred three thousand, one hundred forty".