12340313212 has 12 divisors (see below), whose sum is σ = 21601072080. Its totient is φ = 6168578336.

The previous prime is 12340313171. The next prime is 12340313221. The reversal of 12340313212 is 21231304321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376888 + ... + 408319.

It is an arithmetic number, because the mean of its divisors is an integer number (1800089340).

Almost surely, 2^12340313212 is an apocalyptic number.

It is an amenable number.

12340313212 is a deficient number, since it is larger than the sum of its proper divisors (9260758868).

12340313212 is a wasteful number, since it uses less digits than its factorization.

12340313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789140 (or 789138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12340313212 its reverse (21231304321), we get a palindrome (33571617533).

The spelling of 12340313212 in words is "twelve billion, three hundred forty million, three hundred thirteen thousand, two hundred twelve".