12000115445231 has 2 divisors, whose sum is σ = 12000115445232. Its totient is φ = 12000115445230.

The previous prime is 12000115445209. The next prime is 12000115445249. The reversal of 12000115445231 is 13254451100021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000115445231 is a prime.

It is a super-2 number, since 2×12000115445231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12000115445194 and 12000115445203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000115445261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000057722615 + 6000057722616.

It is an arithmetic number, because the mean of its divisors is an integer number (6000057722616).

Almost surely, 2^{12000115445231} is an apocalyptic number.

12000115445231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000115445231 is an equidigital number, since it uses as much as digits as its factorization.

12000115445231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 12000115445231 its reverse (13254451100021), we get a palindrome (25254566545252).

The spelling of 12000115445231 in words is "twelve trillion, one hundred fifteen million, four hundred forty-five thousand, two hundred thirty-one".