12343420312 has 16 divisors (see below), whose sum is σ = 23708399400. Its totient is φ = 6021180480.

The previous prime is 12343420301. The next prime is 12343420339. The reversal of 12343420312 is 21302434321.

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, 18815862 + ... + 18816517.

Almost surely, 2^12343420312 is an apocalyptic number.

It is an amenable number.

12343420312 is a deficient number, since it is larger than the sum of its proper divisors (11364979088).

12343420312 is a wasteful number, since it uses less digits than its factorization.

12343420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37632426 (or 37632422 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12343420312 its reverse (21302434321), we get a palindrome (33645854633).

The spelling of 12343420312 in words is "twelve billion, three hundred forty-three million, four hundred twenty thousand, three hundred twelve".