12202111323 has 8 divisors (see below), whose sum is σ = 18077202000. Its totient is φ = 8134740864.

The previous prime is 12202111309. The next prime is 12202111349. The reversal of 12202111323 is 32311120221.

It is not a de Polignac number, because 12202111323 - 2⁴ = 12202111307 is a prime.

It is a super-3 number, since 3×12202111323³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12202111296 and 12202111305.

It is not an unprimeable number, because it can be changed into a prime (12202116323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225964998 + ... + 225965051.

It is an arithmetic number, because the mean of its divisors is an integer number (2259650250).

Almost surely, 2^12202111323 is an apocalyptic number.

12202111323 is a deficient number, since it is larger than the sum of its proper divisors (5875090677).

12202111323 is an equidigital number, since it uses as much as digits as its factorization.

12202111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451930058 (or 451930052 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12202111323 its reverse (32311120221), we get a palindrome (44513231544).

The spelling of 12202111323 in words is "twelve billion, two hundred two million, one hundred eleven thousand, three hundred twenty-three".