12000029449 has 2 divisors, whose sum is σ = 12000029450. Its totient is φ = 12000029448.

The previous prime is 12000029387. The next prime is 12000029491. The reversal of 12000029449 is 94492000021.

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., 11894083600 + 105945849 = 109060^2 + 10293^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000029449 - 2¹⁷ = 11999898377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000029449.

It is not a weakly prime, because it can be changed into another prime (12000029149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000014724 + 6000014725.

It is an arithmetic number, because the mean of its divisors is an integer number (6000014725).

Almost surely, 2^12000029449 is an apocalyptic number.

It is an amenable number.

12000029449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000029449 is an equidigital number, since it uses as much as digits as its factorization.

12000029449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12000029449 in words is "twelve billion, twenty-nine thousand, four hundred forty-nine".