42032142012 has 24 divisors (see below), whose sum is σ = 112085712256. Its totient is φ = 12009183408.

The previous prime is 42032141953. The next prime is 42032142091. The reversal of 42032142012 is 21024123024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42032142012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250191238 + ... + 250191405.

Almost surely, 2^42032142012 is an apocalyptic number.

42032142012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42032142012 is an abundant number, since it is smaller than the sum of its proper divisors (70053570244).

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

42032142012 is a wasteful number, since it uses less digits than its factorization.

42032142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500382657 (or 500382655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42032142012 its reverse (21024123024), we get a palindrome (63056265036).

The spelling of 42032142012 in words is "forty-two billion, thirty-two million, one hundred forty-two thousand, twelve".