12012122113 has 12 divisors (see below), whose sum is σ = 12355846272. Its totient is φ = 11677723920.

The previous prime is 12012122099. The next prime is 12012122147. The reversal of 12012122113 is 31122121021.

It is not a de Polignac number, because 12012122113 - 2⁹ = 12012121601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012122413) 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, 2065656 + ... + 2071462.

It is an arithmetic number, because the mean of its divisors is an integer number (1029653856).

Almost surely, 2^12012122113 is an apocalyptic number.

It is an amenable number.

12012122113 is a deficient number, since it is larger than the sum of its proper divisors (343724159).

12012122113 is an equidigital number, since it uses as much as digits as its factorization.

12012122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392 (or 7355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12012122113 its reverse (31122121021), we get a palindrome (43134243134).

The spelling of 12012122113 in words is "twelve billion, twelve million, one hundred twenty-two thousand, one hundred thirteen".