12011012312113 has 2 divisors, whose sum is σ = 12011012312114. Its totient is φ = 12011012312112.

The previous prime is 12011012312111. The next prime is 12011012312219. The reversal of 12011012312113 is 31121321011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7325965049104 + 4685047263009 = 2706652^2 + 2164497^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011012312113 - 2¹ = 12011012312111 is a prime.

Together with 12011012312111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12011012312111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005506156056 + 6005506156057.

It is an arithmetic number, because the mean of its divisors is an integer number (6005506156057).

Almost surely, 2^{12011012312113} is an apocalyptic number.

It is an amenable number.

12011012312113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011012312113 is an equidigital number, since it uses as much as digits as its factorization.

12011012312113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12011012312113 its reverse (31121321011021), we get a palindrome (43132333323134).

The spelling of 12011012312113 in words is "twelve trillion, eleven billion, twelve million, three hundred twelve thousand, one hundred thirteen".