120000121229 has 2 divisors, whose sum is σ = 120000121230. Its totient is φ = 120000121228.

The previous prime is 120000121211. The next prime is 120000121249. The reversal of 120000121229 is 922121000021.

It is a happy number.

It is an a-pointer prime, because the next prime (120000121249) can be obtained adding 120000121229 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67743075625 + 52257045604 = 260275^2 + 228598^2 .

It is a cyclic number.

It is not a de Polignac number, because 120000121229 - 2⁸ = 120000120973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120000121229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120000121249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000060614 + 60000060615.

It is an arithmetic number, because the mean of its divisors is an integer number (60000060615).

Almost surely, 2^120000121229 is an apocalyptic number.

It is an amenable number.

120000121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000121229 is an equidigital number, since it uses as much as digits as its factorization.

120000121229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 120000121229 in words is "one hundred twenty billion, one hundred twenty-one thousand, two hundred twenty-nine".