12200121223011 has 16 divisors (see below), whose sum is σ = 18297392601120. Its totient is φ = 8133414147216.

The previous prime is 12200121222967. The next prime is 12200121223021. The reversal of 12200121223011 is 11032212100221.

12200121223011 is a `hidden beast` number, since 1 + 220 + 0 + 1 + 212 + 230 + 1 + 1 = 666.

12200121223011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12200121223011 - 2¹⁹ = 12200120698723 is a prime.

It is a super-2 number, since 2×12200121223011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12200121223021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2789234490 + ... + 2789238863.

It is an arithmetic number, because the mean of its divisors is an integer number (1143587037570).

Almost surely, 2^{12200121223011} is an apocalyptic number.

12200121223011 is a deficient number, since it is larger than the sum of its proper divisors (6097271378109).

12200121223011 is an frugal number, since it uses more digits than its factorization.

12200121223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578473374 (or 5578473356 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12200121223011 its reverse (11032212100221), we get a palindrome (23232333323232).

The spelling of 12200121223011 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty-three thousand, eleven".