12204510040 has 32 divisors (see below), whose sum is σ = 27471150000. Its totient is φ = 4879848064.

The previous prime is 12204510029. The next prime is 12204510061. The reversal of 12204510040 is 4001540221.

12204510040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42111 + ... + 161809.

Almost surely, 2^12204510040 is an apocalyptic number.

12204510040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204510040 is an abundant number, since it is smaller than the sum of its proper divisors (15266639960).

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

12204510040 is a wasteful number, since it uses less digits than its factorization.

12204510040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122259 (or 122255 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 12204510040 in words is "twelve billion, two hundred four million, five hundred ten thousand, forty".