82719014212 has 12 divisors (see below), whose sum is σ = 148288964796. Its totient is φ = 40350738560.

The previous prime is 82719014179. The next prime is 82719014219. The reversal of 82719014212 is 21241091728.

It can be written as a sum of positive squares in 2 ways, for example, as 8840512576 + 73878501636 = 94024^2 + 271806^2 .

It is not an unprimeable number, because it can be changed into a prime (82719014219) 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, 252191953 + ... + 252192280.

It is an arithmetic number, because the mean of its divisors is an integer number (12357413733).

Almost surely, 2^82719014212 is an apocalyptic number.

82719014212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

82719014212 is a deficient number, since it is larger than the sum of its proper divisors (65569950584).

82719014212 is a wasteful number, since it uses less digits than its factorization.

82719014212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504384278 (or 504384276 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 82719014212 in words is "eighty-two billion, seven hundred nineteen million, fourteen thousand, two hundred twelve".