12101310223 has 4 divisors (see below), whose sum is σ = 12125956968. Its totient is φ = 12076663480.

The previous prime is 12101310161. The next prime is 12101310239. The reversal of 12101310223 is 32201310121.

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 12101310223 - 2⁹ = 12101309711 is a prime.

It is a super-2 number, since 2×12101310223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101310197 and 12101310206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101310293) 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, 12322636 + ... + 12323617.

It is an arithmetic number, because the mean of its divisors is an integer number (3031489242).

Almost surely, 2^12101310223 is an apocalyptic number.

12101310223 is a deficient number, since it is larger than the sum of its proper divisors (24646745).

12101310223 is an equidigital number, since it uses as much as digits as its factorization.

12101310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24646744.

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

Adding to 12101310223 its reverse (32201310121), we get a palindrome (44302620344).

The spelling of 12101310223 in words is "twelve billion, one hundred one million, three hundred ten thousand, two hundred twenty-three".