12132421031 has 8 divisors (see below), whose sum is σ = 12249600000. Its totient is φ = 12015614520.

The previous prime is 12132421013. The next prime is 12132421043. The reversal of 12132421031 is 13012423121.

12132421031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12132421031 - 2¹⁰ = 12132420007 is a prime.

It is a super-2 number, since 2×12132421031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132420994 and 12132421012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132421531) 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 7 ways as a sum of consecutive naturals, for example, 27431 + ... + 158168.

It is an arithmetic number, because the mean of its divisors is an integer number (1531200000).

Almost surely, 2^12132421031 is an apocalyptic number.

12132421031 is a deficient number, since it is larger than the sum of its proper divisors (117178969).

12132421031 is a wasteful number, since it uses less digits than its factorization.

12132421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186229.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12132421031 its reverse (13012423121), we get a palindrome (25144844152).

The spelling of 12132421031 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-one thousand, thirty-one".