12001132123131 has 8 divisors (see below), whose sum is σ = 16263829325584. Its totient is φ = 7869594834720.

The previous prime is 12001132123129. The next prime is 12001132123159. The reversal of 12001132123131 is 13132123110021.

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

It is not a de Polignac number, because 12001132123131 - 2¹ = 12001132123129 is a prime.

It is a super-2 number, since 2×12001132123131² (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 = 12001132123098 and 12001132123107.

It is not an unprimeable number, because it can be changed into a prime (12001132123111) 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, 32789978296 + ... + 32789978661.

It is an arithmetic number, because the mean of its divisors is an integer number (2032978665698).

Almost surely, 2^{12001132123131} is an apocalyptic number.

12001132123131 is a deficient number, since it is larger than the sum of its proper divisors (4262697202453).

12001132123131 is an equidigital number, since it uses as much as digits as its factorization.

12001132123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65579957021.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12001132123131 its reverse (13132123110021), we get a palindrome (25133255233152).

The spelling of 12001132123131 in words is "twelve trillion, one billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred thirty-one".