12120000011211 has 32 divisors (see below), whose sum is σ = 17106841382400. Its totient is φ = 7623368928000.

The previous prime is 12120000011183. The next prime is 12120000011237. The reversal of 12120000011211 is 11211000002121.

It is not a de Polignac number, because 12120000011211 - 2²⁵ = 12119966456779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120000011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10810111 + ... + 11878488.

It is an arithmetic number, because the mean of its divisors is an integer number (534588793200).

Almost surely, 2^{12120000011211} is an apocalyptic number.

12120000011211 is a deficient number, since it is larger than the sum of its proper divisors (4986841371189).

12120000011211 is a wasteful number, since it uses less digits than its factorization.

12120000011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22688787.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12120000011211 its reverse (11211000002121), we get a palindrome (23331000013332).

The spelling of 12120000011211 in words is "twelve trillion, one hundred twenty billion, eleven thousand, two hundred eleven".