12453312029 has 2 divisors, whose sum is σ = 12453312030. Its totient is φ = 12453312028.

The previous prime is 12453312017. The next prime is 12453312059. The reversal of 12453312029 is 92021335421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10180406404 + 2272905625 = 100898^2 + 47675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453312029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12453311986 and 12453312004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12453312059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226656014 + 6226656015.

It is an arithmetic number, because the mean of its divisors is an integer number (6226656015).

Almost surely, 2^12453312029 is an apocalyptic number.

It is an amenable number.

12453312029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453312029 is an equidigital number, since it uses as much as digits as its factorization.

12453312029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 12453312029 in words is "twelve billion, four hundred fifty-three million, three hundred twelve thousand, twenty-nine".