12130021101211 has 4 divisors (see below), whose sum is σ = 13063099647472. Its totient is φ = 11196942554952.

The previous prime is 12130021101181. The next prime is 12130021101229. The reversal of 12130021101211 is 11210112003121.

It is a happy number.

12130021101211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12130021101211 - 2¹³ = 12130021093019 is a prime.

It is a super-2 number, since 2×12130021101211² (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 (12130021101251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466539273111 + ... + 466539273136.

It is an arithmetic number, because the mean of its divisors is an integer number (3265774911868).

Almost surely, 2^{12130021101211} is an apocalyptic number.

12130021101211 is a deficient number, since it is larger than the sum of its proper divisors (933078546261).

12130021101211 is an equidigital number, since it uses as much as digits as its factorization.

12130021101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933078546260.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12130021101211 its reverse (11210112003121), we get a palindrome (23340133104332).

The spelling of 12130021101211 in words is "twelve trillion, one hundred thirty billion, twenty-one million, one hundred one thousand, two hundred eleven".