12101012323 has 4 divisors (see below), whose sum is σ = 12518288640. Its totient is φ = 11683736008.

The previous prime is 12101012299. The next prime is 12101012327. The reversal of 12101012323 is 32321010121.

12101012323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12101012323 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 12101012323 - 2⁵ = 12101012291 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101012297 and 12101012306.

It is not an unprimeable number, because it can be changed into a prime (12101012327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208638115 + ... + 208638172.

It is an arithmetic number, because the mean of its divisors is an integer number (3129572160).

Almost surely, 2^12101012323 is an apocalyptic number.

12101012323 is a deficient number, since it is larger than the sum of its proper divisors (417276317).

12101012323 is an equidigital number, since it uses as much as digits as its factorization.

12101012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417276316.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12101012323 its reverse (32321010121), we get a palindrome (44422022444).

The spelling of 12101012323 in words is "twelve billion, one hundred one million, twelve thousand, three hundred twenty-three".