12200121002123 has 8 divisors (see below), whose sum is σ = 12241641350928. Its totient is φ = 12158616847104.

The previous prime is 12200121002117. The next prime is 12200121002171. The reversal of 12200121002123 is 32120012100221.

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 12200121002123 - 2³⁰ = 12199047260299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200121002023) 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, 2538161 + ... + 5553602.

It is an arithmetic number, because the mean of its divisors is an integer number (1530205168866).

Almost surely, 2^{12200121002123} is an apocalyptic number.

12200121002123 is a deficient number, since it is larger than the sum of its proper divisors (41520348805).

12200121002123 is an equidigital number, since it uses as much as digits as its factorization.

12200121002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096893.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12200121002123 its reverse (32120012100221), we get a palindrome (44320133102344).

The spelling of 12200121002123 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two thousand, one hundred twenty-three".