12012010221211 has 96 divisors (see below), whose sum is σ = 16734246617088. Its totient is φ = 8472682632960.

The previous prime is 12012010221209. The next prime is 12012010221223. The reversal of 12012010221211 is 11212201021021.

It is not a de Polignac number, because 12012010221211 - 2¹ = 12012010221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012010221251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 849318406 + ... + 849332548.

It is an arithmetic number, because the mean of its divisors is an integer number (174315068928).

Almost surely, 2^{12012010221211} is an apocalyptic number.

12012010221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012010221211 is a deficient number, since it is larger than the sum of its proper divisors (4722236395877).

12012010221211 is a wasteful number, since it uses less digits than its factorization.

12012010221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16521 (or 16514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012010221211 its reverse (11212201021021), we get a palindrome (23224211242232).

It can be divided in two parts, 12012010 and 221211, that added together give a palindrome (12233221).

The spelling of 12012010221211 in words is "twelve trillion, twelve billion, ten million, two hundred twenty-one thousand, two hundred eleven".