12340211320 has 16 divisors (see below), whose sum is σ = 27765475560. Its totient is φ = 4936084512.

The previous prime is 12340211309. The next prime is 12340211329. The reversal of 12340211320 is 2311204321.

It is a happy number.

It is a super-2 number, since 2×12340211320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340211329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 154252602 + ... + 154252681.

Almost surely, 2^12340211320 is an apocalyptic number.

12340211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340211320 is an abundant number, since it is smaller than the sum of its proper divisors (15425264240).

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

12340211320 is a wasteful number, since it uses less digits than its factorization.

12340211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308505294 (or 308505290 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12340211320 its reverse (2311204321), we get a palindrome (14651415641).

The spelling of 12340211320 in words is "twelve billion, three hundred forty million, two hundred eleven thousand, three hundred twenty".