12210120122011 has 12 divisors (see below), whose sum is σ = 14212886549880. Its totient is φ = 10458981247680.

The previous prime is 12210120122009. The next prime is 12210120122077. The reversal of 12210120122011 is 11022102101221.

It is not a de Polignac number, because 12210120122011 - 2¹ = 12210120122009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210120122411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81305166 + ... + 81455203.

It is an arithmetic number, because the mean of its divisors is an integer number (1184407212490).

Almost surely, 2^{12210120122011} is an apocalyptic number.

12210120122011 is a deficient number, since it is larger than the sum of its proper divisors (2002766427869).

12210120122011 is a wasteful number, since it uses less digits than its factorization.

12210120122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162761914 (or 162761907 counting only the distinct ones).

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

Adding to 12210120122011 its reverse (11022102101221), we get a palindrome (23232222223232).

The spelling of 12210120122011 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-two thousand, eleven".