12132114420 has 96 divisors (see below), whose sum is σ = 34325803008. Its totient is φ = 3201472512.

The previous prime is 12132114409. The next prime is 12132114433. The reversal of 12132114420 is 2441123121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3297622 + ... + 3301298.

It is an arithmetic number, because the mean of its divisors is an integer number (357560448).

Almost surely, 2^12132114420 is an apocalyptic number.

12132114420 is a gapful number since it is divisible by the number (10) 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 12132114420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17162901504).

12132114420 is an abundant number, since it is smaller than the sum of its proper divisors (22193688588).

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

12132114420 is a wasteful number, since it uses less digits than its factorization.

12132114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12132114420 its reverse (2441123121), we get a palindrome (14573237541).

The spelling of 12132114420 in words is "twelve billion, one hundred thirty-two million, one hundred fourteen thousand, four hundred twenty".