82712702212 has 48 divisors (see below), whose sum is σ = 173107291392. Its totient is φ = 33810923520.

The previous prime is 82712702167. The next prime is 82712702251. The reversal of 82712702212 is 21220721728.

It is a super-2 number, since 2×82712702212² (a number of 23 digits) contains 22 as substring.

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, 45412 + ... + 409252.

It is an arithmetic number, because the mean of its divisors is an integer number (3606401904).

Almost surely, 2^82712702212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82712702212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86553645696).

82712702212 is an abundant number, since it is smaller than the sum of its proper divisors (90394589180).

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

82712702212 is a wasteful number, since it uses less digits than its factorization.

82712702212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364228 (or 364226 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The spelling of 82712702212 in words is "eighty-two billion, seven hundred twelve million, seven hundred two thousand, two hundred twelve".