84132012 has 12 divisors (see below), whose sum is σ = 196308056. Its totient is φ = 28044000.

The previous prime is 84132011. The next prime is 84132017. The reversal of 84132012 is 21023148.

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 84132012.

It is not an unprimeable number, because it can be changed into a prime (84132011) 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, 3505489 + ... + 3505512.

Almost surely, 2^84132012 is an apocalyptic number.

It is an amenable number.

84132012 is an abundant number, since it is smaller than the sum of its proper divisors (112176044).

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

84132012 is a wasteful number, since it uses less digits than its factorization.

84132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011008 (or 7011006 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 84132012 is about 9172.3504076109. The cubic root of 84132012 is about 438.1812181465.

The spelling of 84132012 in words is "eighty-four million, one hundred thirty-two thousand, twelve".