122102030009 has 4 divisors (see below), whose sum is σ = 122102937204. Its totient is φ = 122101122816.

The previous prime is 122102029997. The next prime is 122102030059. The reversal of 122102030009 is 900030201221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 900030201221 = 17 ⋅52942953013.

It can be written as a sum of positive squares in 2 ways, for example, as 28267024384 + 93835005625 = 168128^2 + 306325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102030009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102030059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207032 + ... + 535785.

It is an arithmetic number, because the mean of its divisors is an integer number (30525734301).

Almost surely, 2^122102030009 is an apocalyptic number.

It is an amenable number.

122102030009 is a deficient number, since it is larger than the sum of its proper divisors (907195).

122102030009 is an equidigital number, since it uses as much as digits as its factorization.

122102030009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907194.

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

The spelling of 122102030009 in words is "one hundred twenty-two billion, one hundred two million, thirty thousand, nine".