4231420340112 has 160 divisors (see below), whose sum is σ = 13893155820800. Its totient is φ = 1207905426432.

The previous prime is 4231420340111. The next prime is 4231420340123. The reversal of 4231420340112 is 2110430241324.

4231420340112 is a `hidden beast` number, since 4 + 2 + 314 + 2 + 0 + 340 + 1 + 1 + 2 = 666.

4231420340112 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 not an unprimeable number, because it can be changed into a prime (4231420340111) 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, 2794398 + ... + 4033794.

It is an arithmetic number, because the mean of its divisors is an integer number (86832223880).

Almost surely, 2^{4231420340112} is an apocalyptic number.

4231420340112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231420340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6946577910400).

4231420340112 is an abundant number, since it is smaller than the sum of its proper divisors (9661735480688).

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

4231420340112 is a wasteful number, since it uses less digits than its factorization.

4231420340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240550 (or 1240538 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4231420340112 its reverse (2110430241324), we get a palindrome (6341850581436).

The spelling of 4231420340112 in words is "four trillion, two hundred thirty-one billion, four hundred twenty million, three hundred forty thousand, one hundred twelve".