12303121101 has 4 divisors (see below), whose sum is σ = 16404161472. Its totient is φ = 8202080732.

The previous prime is 12303121099. The next prime is 12303121123. The reversal of 12303121101 is 10112130321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12303121101 - 2¹ = 12303121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303121151) 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, 2050520181 + ... + 2050520186.

It is an arithmetic number, because the mean of its divisors is an integer number (4101040368).

Almost surely, 2^12303121101 is an apocalyptic number.

It is an amenable number.

12303121101 is a deficient number, since it is larger than the sum of its proper divisors (4101040371).

12303121101 is an equidigital number, since it uses as much as digits as its factorization.

12303121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101040370.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12303121101 its reverse (10112130321), we get a palindrome (22415251422).

The spelling of 12303121101 in words is "twelve billion, three hundred three million, one hundred twenty-one thousand, one hundred one".