42043232412 has 120 divisors (see below), whose sum is σ = 110879889120. Its totient is φ = 13891201920.

The previous prime is 42043232411. The next prime is 42043232417. The reversal of 42043232412 is 21423234024.

42043232412 is a `hidden beast` number, since 420 + 4 + 3 + 232 + 4 + 1 + 2 = 666.

42043232412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043232411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21052198 + ... + 21054194.

It is an arithmetic number, because the mean of its divisors is an integer number (923999076).

Almost surely, 2^42043232412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42043232412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55439944560).

42043232412 is an abundant number, since it is smaller than the sum of its proper divisors (68836656708).

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

42043232412 is a wasteful number, since it uses less digits than its factorization.

42043232412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42043232412 its reverse (21423234024), we get a palindrome (63466466436).

The spelling of 42043232412 in words is "forty-two billion, forty-three million, two hundred thirty-two thousand, four hundred twelve".