12432100322131 has 4 divisors (see below), whose sum is σ = 14208114653872. Its totient is φ = 10656085990392.

The previous prime is 12432100322107. The next prime is 12432100322137. The reversal of 12432100322131 is 13122300123421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12432100322131 - 2³¹ = 12429952838483 is a prime.

It is a super-2 number, since 2×12432100322131² (a number of 27 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 = 12432100322096 and 12432100322105.

It is not an unprimeable number, because it can be changed into a prime (12432100322137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888007165860 + ... + 888007165873.

It is an arithmetic number, because the mean of its divisors is an integer number (3552028663468).

Almost surely, 2^{12432100322131} is an apocalyptic number.

12432100322131 is a deficient number, since it is larger than the sum of its proper divisors (1776014331741).

12432100322131 is an equidigital number, since it uses as much as digits as its factorization.

12432100322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776014331740.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12432100322131 its reverse (13122300123421), we get a palindrome (25554400445552).

The spelling of 12432100322131 in words is "twelve trillion, four hundred thirty-two billion, one hundred million, three hundred twenty-two thousand, one hundred thirty-one".