12010121429 has 2 divisors, whose sum is σ = 12010121430. Its totient is φ = 12010121428.

The previous prime is 12010121377. The next prime is 12010121437. The reversal of 12010121429 is 92412101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6332498929 + 5677622500 = 79577^2 + 75350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010121429 - 2³² = 7715154133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010120429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005060714 + 6005060715.

It is an arithmetic number, because the mean of its divisors is an integer number (6005060715).

Almost surely, 2^12010121429 is an apocalyptic number.

It is an amenable number.

12010121429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010121429 is an equidigital number, since it uses as much as digits as its factorization.

12010121429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 12010121429 in words is "twelve billion, ten million, one hundred twenty-one thousand, four hundred twenty-nine".