12143340212 has 24 divisors (see below), whose sum is σ = 22076113920. Its totient is φ = 5838374880.

The previous prime is 12143340203. The next prime is 12143340247. The reversal of 12143340212 is 21204334121.

It is a congruent number.

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, 292412 + ... + 331347.

It is an arithmetic number, because the mean of its divisors is an integer number (919838080).

Almost surely, 2^12143340212 is an apocalyptic number.

It is an amenable number.

12143340212 is a deficient number, since it is larger than the sum of its proper divisors (9932773708).

12143340212 is a wasteful number, since it uses less digits than its factorization.

12143340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623951 (or 623949 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12143340212 its reverse (21204334121), we get a palindrome (33347674333).

The spelling of 12143340212 in words is "twelve billion, one hundred forty-three million, three hundred forty thousand, two hundred twelve".