12031012027 has 2 divisors, whose sum is σ = 12031012028. Its totient is φ = 12031012026.

The previous prime is 12031011961. The next prime is 12031012043. The reversal of 12031012027 is 72021013021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12031012027 - 2¹⁹ = 12030487739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031011995 and 12031012013.

It is not a weakly prime, because it can be changed into another prime (12031012057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015506013 + 6015506014.

It is an arithmetic number, because the mean of its divisors is an integer number (6015506014).

Almost surely, 2^12031012027 is an apocalyptic number.

12031012027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031012027 is an equidigital number, since it uses as much as digits as its factorization.

12031012027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 12031012027 its reverse (72021013021), we get a palindrome (84052025048).

It can be divided in two parts, 1203101 and 2027, that added together give a triangular number (1205128 = T₁₅₅₂).

The spelling of 12031012027 in words is "twelve billion, thirty-one million, twelve thousand, twenty-seven".