12134402040 has 64 divisors (see below), whose sum is σ = 36412364160. Its totient is φ = 3235026560.

The previous prime is 12134402039. The next prime is 12134402051. The reversal of 12134402040 is 4020443121.

12134402040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12134401998 and 12134402016.

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 15 ways as a sum of consecutive naturals, for example, 581467 + ... + 601973.

It is an arithmetic number, because the mean of its divisors is an integer number (568943190).

Almost surely, 2^12134402040 is an apocalyptic number.

12134402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134402040 is an abundant number, since it is smaller than the sum of its proper divisors (24277962120).

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

12134402040 is a wasteful number, since it uses less digits than its factorization.

12134402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25452 (or 25448 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12134402040 its reverse (4020443121), we get a palindrome (16154845161).

The spelling of 12134402040 in words is "twelve billion, one hundred thirty-four million, four hundred two thousand, forty".