65943119212 has 24 divisors (see below), whose sum is σ = 116877418560. Its totient is φ = 32549687040.

The previous prime is 65943119189. The next prime is 65943119213. The reversal of 65943119212 is 21291134956.

It is not an unprimeable number, because it can be changed into a prime (65943119213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4366218 + ... + 4381294.

It is an arithmetic number, because the mean of its divisors is an integer number (4869892440).

Almost surely, 2^65943119212 is an apocalyptic number.

It is an amenable number.

65943119212 is a deficient number, since it is larger than the sum of its proper divisors (50934299348).

65943119212 is a wasteful number, since it uses less digits than its factorization.

65943119212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001 (or 28999 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The spelling of 65943119212 in words is "sixty-five billion, nine hundred forty-three million, one hundred nineteen thousand, two hundred twelve".