12040323324531 has 8 divisors (see below), whose sum is σ = 16055482736640. Its totient is φ = 8026023064392.

The previous prime is 12040323324521. The next prime is 12040323324539. The reversal of 12040323324531 is 13542332304021.

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

It is not a de Polignac number, because 12040323324531 - 2⁶ = 12040323324467 is a prime.

It is a super-2 number, since 2×12040323324531² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12040323324492 and 12040323324501.

It is not an unprimeable number, because it can be changed into a prime (12040323324539) 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, 214755291 + ... + 214811348.

It is an arithmetic number, because the mean of its divisors is an integer number (2006935342080).

Almost surely, 2^{12040323324531} is an apocalyptic number.

12040323324531 is a deficient number, since it is larger than the sum of its proper divisors (4015159412109).

12040323324531 is an equidigital number, since it uses as much as digits as its factorization.

12040323324531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429575985.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 12040323324531 its reverse (13542332304021), we get a palindrome (25582655628552).

The spelling of 12040323324531 in words is "twelve trillion, forty billion, three hundred twenty-three million, three hundred twenty-four thousand, five hundred thirty-one".