82143299212 has 48 divisors (see below), whose sum is σ = 158538096640. Its totient is φ = 37000369728.

The previous prime is 82143299207. The next prime is 82143299213. The reversal of 82143299212 is 21299234128.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (82143299213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845483 + ... + 2874205.

Almost surely, 2^82143299212 is an apocalyptic number.

It is an amenable number.

82143299212 is a deficient number, since it is larger than the sum of its proper divisors (76394797428).

82143299212 is a wasteful number, since it uses less digits than its factorization.

82143299212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30062 (or 30060 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The spelling of 82143299212 in words is "eighty-two billion, one hundred forty-three million, two hundred ninety-nine thousand, two hundred twelve".