16121204339 has 2 divisors, whose sum is σ = 16121204340. Its totient is φ = 16121204338.

The previous prime is 16121204269. The next prime is 16121204353. The reversal of 16121204339 is 93340212161.

16121204339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16121204339 - 2²⁰ = 16120155763 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (16121204039) 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, 8060602169 + 8060602170.

It is an arithmetic number, because the mean of its divisors is an integer number (8060602170).

Almost surely, 2^16121204339 is an apocalyptic number.

16121204339 is a deficient number, since it is larger than the sum of its proper divisors (1).

16121204339 is an equidigital number, since it uses as much as digits as its factorization.

16121204339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 16121204339 in words is "sixteen billion, one hundred twenty-one million, two hundred four thousand, three hundred thirty-nine".