12136446229 has 2 divisors, whose sum is σ = 12136446230. Its totient is φ = 12136446228.

The previous prime is 12136446199. The next prime is 12136446253. The reversal of 12136446229 is 92264463121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11954142225 + 182304004 = 109335^2 + 13502^2 .

It is an emirp because it is prime and its reverse (92264463121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12136446229 - 2⁵ = 12136446197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12136446191 and 12136446200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12136446629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068223114 + 6068223115.

It is an arithmetic number, because the mean of its divisors is an integer number (6068223115).

Almost surely, 2^12136446229 is an apocalyptic number.

It is an amenable number.

12136446229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136446229 is an equidigital number, since it uses as much as digits as its factorization.

12136446229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The spelling of 12136446229 in words is "twelve billion, one hundred thirty-six million, four hundred forty-six thousand, two hundred twenty-nine".