12121240103323 has 4 divisors (see below), whose sum is σ = 13053643188208. Its totient is φ = 11188837018440.

The previous prime is 12121240103309. The next prime is 12121240103369. The reversal of 12121240103323 is 32330104212121.

12121240103323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12121240103323 - 2¹⁷ = 12121239972251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121240103383) 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, 466201542423 + ... + 466201542448.

It is an arithmetic number, because the mean of its divisors is an integer number (3263410797052).

Almost surely, 2^{12121240103323} is an apocalyptic number.

12121240103323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12121240103323 is a deficient number, since it is larger than the sum of its proper divisors (932403084885).

12121240103323 is an equidigital number, since it uses as much as digits as its factorization.

12121240103323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932403084884.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12121240103323 its reverse (32330104212121), we get a palindrome (44451344315444).

The spelling of 12121240103323 in words is "twelve trillion, one hundred twenty-one billion, two hundred forty million, one hundred three thousand, three hundred twenty-three".