42166532012 has 48 divisors (see below), whose sum is σ = 85274749728. Its totient is φ = 18030750720.

The previous prime is 42166531973. The next prime is 42166532047. The reversal of 42166532012 is 21023566124.

42166532012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42166532012.

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, 1751078 + ... + 1774994.

It is an arithmetic number, because the mean of its divisors is an integer number (1776557286).

Almost surely, 2^42166532012 is an apocalyptic number.

It is an amenable number.

42166532012 is an abundant number, since it is smaller than the sum of its proper divisors (43108217716).

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

42166532012 is a wasteful number, since it uses less digits than its factorization.

42166532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306 (or 26304 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 42166532012 in words is "forty-two billion, one hundred sixty-six million, five hundred thirty-two thousand, twelve".