82701626721812 has 12 divisors (see below), whose sum is σ = 165403253443680. Its totient is φ = 35443554309336.

The previous prime is 82701626721809. The next prime is 82701626721817. The reversal of 82701626721812 is 21812762610728.

82701626721812 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82701626721817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476814762862 + ... + 1476814762917.

It is an arithmetic number, because the mean of its divisors is an integer number (13783604453640).

Almost surely, 2^{82701626721812} is an apocalyptic number.

It is an amenable number.

82701626721812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82701626721812 is a wasteful number, since it uses less digits than its factorization.

82701626721812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953629525790 (or 2953629525788 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 82701626721812 in words is "eighty-two trillion, seven hundred one billion, six hundred twenty-six million, seven hundred twenty-one thousand, eight hundred twelve".