12003412311 has 24 divisors (see below), whose sum is σ = 19224550800. Its totient is φ = 7155532800.

The previous prime is 12003412283. The next prime is 12003412327. The reversal of 12003412311 is 11321430021.

12003412311 is a `hidden beast` number, since 12 + 0 + 0 + 341 + 2 + 311 = 666.

It is not a de Polignac number, because 12003412311 - 2¹⁸ = 12003150167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003412331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987786 + ... + 999863.

It is an arithmetic number, because the mean of its divisors is an integer number (801022950).

Almost surely, 2^12003412311 is an apocalyptic number.

12003412311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12003412311 is a deficient number, since it is larger than the sum of its proper divisors (7221138489).

12003412311 is a wasteful number, since it uses less digits than its factorization.

12003412311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987727 (or 1987724 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12003412311 its reverse (11321430021), we get a palindrome (23324842332).

The spelling of 12003412311 in words is "twelve billion, three million, four hundred twelve thousand, three hundred eleven".