12103402409 has 32 divisors (see below), whose sum is σ = 14178447360. Its totient is φ = 10118822400.

The previous prime is 12103402397. The next prime is 12103402429. The reversal of 12103402409 is 90420430121.

12103402409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12103402409 - 2⁴ = 12103402393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12103402429) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 26254439 + ... + 26254899.

It is an arithmetic number, because the mean of its divisors is an integer number (443076480).

Almost surely, 2^12103402409 is an apocalyptic number.

It is an amenable number.

12103402409 is a deficient number, since it is larger than the sum of its proper divisors (2075044951).

12103402409 is a wasteful number, since it uses less digits than its factorization.

12103402409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12103402409 in words is "twelve billion, one hundred three million, four hundred two thousand, four hundred nine".