82242012 has 12 divisors (see below), whose sum is σ = 191898056. Its totient is φ = 27414000.

The previous prime is 82242011. The next prime is 82242029. The reversal of 82242012 is 21024228.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 82242012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82242011) 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, 3426739 + ... + 3426762.

Almost surely, 2^82242012 is an apocalyptic number.

It is an amenable number.

82242012 is an abundant number, since it is smaller than the sum of its proper divisors (109656044).

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

82242012 is a wasteful number, since it uses less digits than its factorization.

82242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853508 (or 6853506 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 82242012 is about 9068.7381702197. The cubic root of 82242012 is about 434.8751339323.

The spelling of 82242012 in words is "eighty-two million, two hundred forty-two thousand, twelve".