12220030323101 has 4 divisors (see below), whose sum is σ = 12641410679100. Its totient is φ = 11798649967104.

The previous prime is 12220030323031. The next prime is 12220030323103. The reversal of 12220030323101 is 10132303002221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6546587476900 + 5673442846201 = 2558630^2 + 2381899^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220030323101 - 2³⁰ = 12218956581277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220030323103) 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, 210690177956 + ... + 210690178013.

It is an arithmetic number, because the mean of its divisors is an integer number (3160352669775).

Almost surely, 2^{12220030323101} is an apocalyptic number.

It is an amenable number.

12220030323101 is a deficient number, since it is larger than the sum of its proper divisors (421380355999).

12220030323101 is an equidigital number, since it uses as much as digits as its factorization.

12220030323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421380355998.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12220030323101 its reverse (10132303002221), we get a palindrome (22352333325322).

The spelling of 12220030323101 in words is "twelve trillion, two hundred twenty billion, thirty million, three hundred twenty-three thousand, one hundred one".