12404201240 has 32 divisors (see below), whose sum is σ = 27913055760. Its totient is φ = 4961040000.

The previous prime is 12404201237. The next prime is 12404201263. The reversal of 12404201240 is 4210240421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 405275 + ... + 434805.

Almost surely, 2^12404201240 is an apocalyptic number.

12404201240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12404201240 is an abundant number, since it is smaller than the sum of its proper divisors (15508854520).

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

12404201240 is a wasteful number, since it uses less digits than its factorization.

12404201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043 (or 40039 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12404201240 its reverse (4210240421), we get a palindrome (16614441661).

The spelling of 12404201240 in words is "twelve billion, four hundred four million, two hundred one thousand, two hundred forty".