42131343012 has 96 divisors (see below), whose sum is σ = 110039053824. Its totient is φ = 12435283200.

The previous prime is 42131342989. The next prime is 42131343013. The reversal of 42131343012 is 21034313124.

It is a happy number.

42131343012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42131343013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3473863 + ... + 3485969.

It is an arithmetic number, because the mean of its divisors is an integer number (1146240144).

Almost surely, 2^42131343012 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 42131343012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55019526912).

42131343012 is an abundant number, since it is smaller than the sum of its proper divisors (67907710812).

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

42131343012 is a wasteful number, since it uses less digits than its factorization.

42131343012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809 (or 12807 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 42131343012 its reverse (21034313124), we get a palindrome (63165656136).

The spelling of 42131343012 in words is "forty-two billion, one hundred thirty-one million, three hundred forty-three thousand, twelve".