12523116222031 has 2 divisors, whose sum is σ = 12523116222032. Its totient is φ = 12523116222030.

The previous prime is 12523116221989. The next prime is 12523116222047. The reversal of 12523116222031 is 13022261132521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12523116222031 - 2⁹ = 12523116221519 is a prime.

It is a super-2 number, since 2×12523116222031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12523116221984 and 12523116222002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12523116022031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261558111015 + 6261558111016.

It is an arithmetic number, because the mean of its divisors is an integer number (6261558111016).

Almost surely, 2^{12523116222031} is an apocalyptic number.

12523116222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523116222031 is an equidigital number, since it uses as much as digits as its factorization.

12523116222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12523116222031 its reverse (13022261132521), we get a palindrome (25545377354552).

The spelling of 12523116222031 in words is "twelve trillion, five hundred twenty-three billion, one hundred sixteen million, two hundred twenty-two thousand, thirty-one".