12134232420 has 24 divisors (see below), whose sum is σ = 33975850944. Its totient is φ = 3235795296.

The previous prime is 12134232413. The next prime is 12134232421. The reversal of 12134232420 is 2423243121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12134232421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101118544 + ... + 101118663.

It is an arithmetic number, because the mean of its divisors is an integer number (1415660456).

Almost surely, 2^12134232420 is an apocalyptic number.

12134232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134232420 is an abundant number, since it is smaller than the sum of its proper divisors (21841618524).

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

12134232420 is a wasteful number, since it uses less digits than its factorization.

12134232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202237219 (or 202237217 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12134232420 its reverse (2423243121), we get a palindrome (14557475541).

The spelling of 12134232420 in words is "twelve billion, one hundred thirty-four million, two hundred thirty-two thousand, four hundred twenty".