14123431212 has 144 divisors (see below), whose sum is σ = 37410291072. Its totient is φ = 4141280000.

The previous prime is 14123431211. The next prime is 14123431247. The reversal of 14123431212 is 21213432141.

14123431212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (14123431211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7797787 + ... + 7799597.

It is an arithmetic number, because the mean of its divisors is an integer number (259793688).

Almost surely, 2^14123431212 is an apocalyptic number.

14123431212 is a gapful number since it is divisible by the number (12) 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 14123431212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18705145536).

14123431212 is an abundant number, since it is smaller than the sum of its proper divisors (23286859860).

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

14123431212 is a wasteful number, since it uses less digits than its factorization.

14123431212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 1999 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 14123431212 its reverse (21213432141), we get a palindrome (35336863353).

The spelling of 14123431212 in words is "fourteen billion, one hundred twenty-three million, four hundred thirty-one thousand, two hundred twelve".