12003440134 has 48 divisors (see below), whose sum is σ = 21168924480. Its totient is φ = 5089528080.

The previous prime is 12003440117. The next prime is 12003440147. The reversal of 12003440134 is 43104430021.

It is a congruent number.

It is an unprimeable number.

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, 4864369 + ... + 4866835.

It is an arithmetic number, because the mean of its divisors is an integer number (441019260).

Almost surely, 2^12003440134 is an apocalyptic number.

12003440134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12003440134 is a deficient number, since it is larger than the sum of its proper divisors (9165484346).

12003440134 is a wasteful number, since it uses less digits than its factorization.

12003440134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12003440134 its reverse (43104430021), we get a palindrome (55107870155).

The spelling of 12003440134 in words is "twelve billion, three million, four hundred forty thousand, one hundred thirty-four".