12340043052 has 24 divisors (see below), whose sum is σ = 28954296000. Its totient is φ = 4090367376.

The previous prime is 12340042987. The next prime is 12340043063. The reversal of 12340043052 is 25034004321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870302 + ... + 2874597.

It is an arithmetic number, because the mean of its divisors is an integer number (1206429000).

Almost surely, 2^12340043052 is an apocalyptic number.

12340043052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12340043052 is an abundant number, since it is smaller than the sum of its proper divisors (16614252948).

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

12340043052 is a wasteful number, since it uses less digits than its factorization.

12340043052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745085 (or 5745083 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12340043052 its reverse (25034004321), we get a palindrome (37374047373).

The spelling of 12340043052 in words is "twelve billion, three hundred forty million, forty-three thousand, fifty-two".