12200111123 has 8 divisors (see below), whose sum is σ = 12686203200. Its totient is φ = 11718379008.

The previous prime is 12200111117. The next prime is 12200111129. The reversal of 12200111123 is 32111100221.

It is an interprime number because it is at equal distance from previous prime (12200111117) and next prime (12200111129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200111123 - 2¹⁰ = 12200110099 is a prime.

It is a super-2 number, since 2×12200111123² (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 = 12200111098 and 12200111107.

It is not an unprimeable number, because it can be changed into a prime (12200111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084283 + ... + 1095476.

It is an arithmetic number, because the mean of its divisors is an integer number (1585775400).

Almost surely, 2^12200111123 is an apocalyptic number.

12200111123 is a deficient number, since it is larger than the sum of its proper divisors (486092077).

12200111123 is a wasteful number, since it uses less digits than its factorization.

12200111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179981.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12200111123 its reverse (32111100221), we get a palindrome (44311211344).

The spelling of 12200111123 in words is "twelve billion, two hundred million, one hundred eleven thousand, one hundred twenty-three".