10122030209 has 2 divisors, whose sum is σ = 10122030210. Its totient is φ = 10122030208.

The previous prime is 10122030199. The next prime is 10122030313. The reversal of 10122030209 is 90203022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7978062400 + 2143967809 = 89320^2 + 46303^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122030209 - 2¹² = 10122026113 is a prime.

It is not a weakly prime, because it can be changed into another prime (10122030409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061015104 + 5061015105.

It is an arithmetic number, because the mean of its divisors is an integer number (5061015105).

Almost surely, 2^10122030209 is an apocalyptic number.

It is an amenable number.

10122030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122030209 is an equidigital number, since it uses as much as digits as its factorization.

10122030209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 10122030209 in words is "ten billion, one hundred twenty-two million, thirty thousand, two hundred nine".