12340350552 has 32 divisors (see below), whose sum is σ = 30867565680. Its totient is φ = 4111224960.

The previous prime is 12340350523. The next prime is 12340350577. The reversal of 12340350552 is 25505304321.

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 7 ways as a sum of consecutive naturals, for example, 93483 + ... + 182810.

Almost surely, 2^12340350552 is an apocalyptic number.

12340350552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12340350552 is an abundant number, since it is smaller than the sum of its proper divisors (18527215128).

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

12340350552 is a wasteful number, since it uses less digits than its factorization.

12340350552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278163 (or 278159 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 12340350552 its reverse (25505304321), we get a palindrome (37845654873).

The spelling of 12340350552 in words is "twelve billion, three hundred forty million, three hundred fifty thousand, five hundred fifty-two".