12012142113 has 24 divisors (see below), whose sum is σ = 17973371520. Its totient is φ = 7721532000.

The previous prime is 12012142073. The next prime is 12012142147. The reversal of 12012142113 is 31124121021.

12012142113 is a `hidden beast` number, since 120 + 121 + 421 + 1 + 3 = 666.

It is not a de Polignac number, because 12012142113 - 2¹⁴ = 12012125729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012142213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165370 + ... + 226652.

It is an arithmetic number, because the mean of its divisors is an integer number (748890480).

Almost surely, 2^12012142113 is an apocalyptic number.

It is an amenable number.

12012142113 is a deficient number, since it is larger than the sum of its proper divisors (5961229407).

12012142113 is a wasteful number, since it uses less digits than its factorization.

12012142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62069 (or 62066 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12012142113 its reverse (31124121021), we get a palindrome (43136263134).

The spelling of 12012142113 in words is "twelve billion, twelve million, one hundred forty-two thousand, one hundred thirteen".