30142123229 has 2 divisors, whose sum is σ = 30142123230. Its totient is φ = 30142123228.

The previous prime is 30142123201. The next prime is 30142123243. The reversal of 30142123229 is 92232124103.

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., 25422708025 + 4719415204 = 159445^2 + 68698^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142123229 - 2²⁰ = 30141074653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142123289) 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, 15071061614 + 15071061615.

It is an arithmetic number, because the mean of its divisors is an integer number (15071061615).

Almost surely, 2^30142123229 is an apocalyptic number.

It is an amenable number.

30142123229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142123229 is an equidigital number, since it uses as much as digits as its factorization.

30142123229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 30142123229 in words is "thirty billion, one hundred forty-two million, one hundred twenty-three thousand, two hundred twenty-nine".