12200123230121 has 8 divisors (see below), whose sum is σ = 12373264036224. Its totient is φ = 12027018759840.

The previous prime is 12200123230103. The next prime is 12200123230159. The reversal of 12200123230121 is 12103232100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200123230121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200123230093 and 12200123230102.

It is not an unprimeable number, because it can be changed into a prime (12200123230721) 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, 8407316 + ... + 9751061.

It is an arithmetic number, because the mean of its divisors is an integer number (1546658004528).

Almost surely, 2^{12200123230121} is an apocalyptic number.

It is an amenable number.

12200123230121 is a deficient number, since it is larger than the sum of its proper divisors (173140806103).

12200123230121 is an equidigital number, since it uses as much as digits as its factorization.

12200123230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18167911.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12200123230121 its reverse (12103232100221), we get a palindrome (24303355330342).

It can be divided in two parts, 12200 and 123230121, that added together give a palindrome (123242321).

The spelling of 12200123230121 in words is "twelve trillion, two hundred billion, one hundred twenty-three million, two hundred thirty thousand, one hundred twenty-one".