12011302109 has 2 divisors, whose sum is σ = 12011302110. Its totient is φ = 12011302108.

The previous prime is 12011302103. The next prime is 12011302133. The reversal of 12011302109 is 90120311021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7191888025 + 4819414084 = 84805^2 + 69422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011302109 is a prime.

It is a super-3 number, since 3×12011302109³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011302103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005651054 + 6005651055.

It is an arithmetic number, because the mean of its divisors is an integer number (6005651055).

Almost surely, 2^12011302109 is an apocalyptic number.

It is an amenable number.

12011302109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011302109 is an equidigital number, since it uses as much as digits as its factorization.

12011302109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 12011302109 in words is "twelve billion, eleven million, three hundred two thousand, one hundred nine".