12120000010211 has 4 divisors (see below), whose sum is σ = 12120058053312. Its totient is φ = 12119941967112.

The previous prime is 12120000010189. The next prime is 12120000010219. The reversal of 12120000010211 is 11201000002121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120000010211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120000010192 and 12120000010201.

It is not an unprimeable number, because it can be changed into a prime (12120000010219) 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 3 ways as a sum of consecutive naturals, for example, 28707200 + ... + 29126333.

It is an arithmetic number, because the mean of its divisors is an integer number (3030014513328).

Almost surely, 2^{12120000010211} is an apocalyptic number.

12120000010211 is a deficient number, since it is larger than the sum of its proper divisors (58043101).

12120000010211 is an equidigital number, since it uses as much as digits as its factorization.

12120000010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58043100.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120000010211 its reverse (11201000002121), we get a palindrome (23321000012332).

The spelling of 12120000010211 in words is "twelve trillion, one hundred twenty billion, ten thousand, two hundred eleven".