12321011432131 has 2 divisors, whose sum is σ = 12321011432132. Its totient is φ = 12321011432130.

The previous prime is 12321011432117. The next prime is 12321011432227. The reversal of 12321011432131 is 13123411012321.

12321011432131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13123411012321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12321011432131 - 2⁷ = 12321011432003 is a prime.

It is a super-2 number, since 2×12321011432131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12321011432096 and 12321011432105.

It is not a weakly prime, because it can be changed into another prime (12321011432531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160505716065 + 6160505716066.

It is an arithmetic number, because the mean of its divisors is an integer number (6160505716066).

Almost surely, 2^{12321011432131} is an apocalyptic number.

12321011432131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321011432131 is an equidigital number, since it uses as much as digits as its factorization.

12321011432131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 12321011432131 its reverse (13123411012321), we get a palindrome (25444422444452).

The spelling of 12321011432131 in words is "twelve trillion, three hundred twenty-one billion, eleven million, four hundred thirty-two thousand, one hundred thirty-one".