82921339212 has 48 divisors (see below), whose sum is σ = 210401382240. Its totient is φ = 25311439872.

The previous prime is 82921339201. The next prime is 82921339223. The reversal of 82921339212 is 21293312928.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82921339201) and next prime (82921339223).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485387 + ... + 5500482.

It is an arithmetic number, because the mean of its divisors is an integer number (4383362130).

Almost surely, 2^82921339212 is an apocalyptic number.

It is an amenable number.

82921339212 is an abundant number, since it is smaller than the sum of its proper divisors (127480043028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82921339212 is a wasteful number, since it uses less digits than its factorization.

82921339212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985930 (or 10985928 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 82921339212 in words is "eighty-two billion, nine hundred twenty-one million, three hundred thirty-nine thousand, two hundred twelve".