12003664129 has 2 divisors, whose sum is σ = 12003664130. Its totient is φ = 12003664128.

The previous prime is 12003664109. The next prime is 12003664133. The reversal of 12003664129 is 92146630021.

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., 11077983504 + 925680625 = 105252^2 + 30425^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003664129 - 2²¹ = 12001566977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003664094 and 12003664103.

It is not a weakly prime, because it can be changed into another prime (12003664109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001832064 + 6001832065.

It is an arithmetic number, because the mean of its divisors is an integer number (6001832065).

Almost surely, 2^12003664129 is an apocalyptic number.

It is an amenable number.

12003664129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003664129 is an equidigital number, since it uses as much as digits as its factorization.

12003664129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 12003664129 in words is "twelve billion, three million, six hundred sixty-four thousand, one hundred twenty-nine".