12013404340 has 48 divisors (see below), whose sum is σ = 28930672512. Its totient is φ = 4104809856.

The previous prime is 12013404323. The next prime is 12013404401. The reversal of 12013404340 is 4340431021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105414 + ... + 187453.

It is an arithmetic number, because the mean of its divisors is an integer number (602722344).

Almost surely, 2^12013404340 is an apocalyptic number.

12013404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013404340 is an abundant number, since it is smaller than the sum of its proper divisors (16917268172).

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

12013404340 is a wasteful number, since it uses less digits than its factorization.

12013404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293176 (or 293174 counting only the distinct ones).

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

Adding to 12013404340 its reverse (4340431021), we get a palindrome (16353835361).

The spelling of 12013404340 in words is "twelve billion, thirteen million, four hundred four thousand, three hundred forty".