12011213200221 has 24 divisors (see below), whose sum is σ = 17513561894400. Its totient is φ = 7932061395936.

The previous prime is 12011213200163. The next prime is 12011213200247. The reversal of 12011213200221 is 12200231211021.

12011213200221 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 121 + 320 + 0 + 221 = 666.

12011213200221 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 12011213200221 - 2²¹ = 12011211103069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011213200194 and 12011213200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011213220221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11710725 + ... + 12695018.

It is an arithmetic number, because the mean of its divisors is an integer number (729731745600).

Almost surely, 2^{12011213200221} is an apocalyptic number.

It is an amenable number.

12011213200221 is a deficient number, since it is larger than the sum of its proper divisors (5502348694179).

12011213200221 is a wasteful number, since it uses less digits than its factorization.

12011213200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24406265 (or 24406262 counting only the distinct ones).

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

Adding to 12011213200221 its reverse (12200231211021), we get a palindrome (24211444411242).

The spelling of 12011213200221 in words is "twelve trillion, eleven billion, two hundred thirteen million, two hundred thousand, two hundred twenty-one".