12102120212011 has 8 divisors (see below), whose sum is σ = 13150011776000. Its totient is φ = 11095322434920.

The previous prime is 12102120211967. The next prime is 12102120212033. The reversal of 12102120212011 is 11021202120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12102120212011 is a prime.

It is a super-2 number, since 2×12102120212011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102120212051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10273446111 + ... + 10273447288.

It is an arithmetic number, because the mean of its divisors is an integer number (1643751472000).

Almost surely, 2^{12102120212011} is an apocalyptic number.

12102120212011 is a deficient number, since it is larger than the sum of its proper divisors (1047891563989).

12102120212011 is a wasteful number, since it uses less digits than its factorization.

12102120212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546893449.

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

Adding to 12102120212011 its reverse (11021202120121), we get a palindrome (23123322332132).

It can be divided in two parts, 1 and 2102120212011, that added together give a palindrome (2102120212012).

The spelling of 12102120212011 in words is "twelve trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, eleven".