12403204140 has 24 divisors (see below), whose sum is σ = 34728971760. Its totient is φ = 3307521088.

The previous prime is 12403204133. The next prime is 12403204153. The reversal of 12403204140 is 4140230421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103359975 + ... + 103360094.

It is an arithmetic number, because the mean of its divisors is an integer number (1447040490).

Almost surely, 2^12403204140 is an apocalyptic number.

12403204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12403204140 is an abundant number, since it is smaller than the sum of its proper divisors (22325767620).

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

12403204140 is a wasteful number, since it uses less digits than its factorization.

12403204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206720081 (or 206720079 counting only the distinct ones).

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

Adding to 12403204140 its reverse (4140230421), we get a palindrome (16543434561).

The spelling of 12403204140 in words is "twelve billion, four hundred three million, two hundred four thousand, one hundred forty".