12086701909 has 2 divisors, whose sum is σ = 12086701910. Its totient is φ = 12086701908.

The previous prime is 12086701897. The next prime is 12086701951. The reversal of 12086701909 is 90910768021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10947436900 + 1139265009 = 104630^2 + 33753^2 .

It is a cyclic number.

It is not a de Polignac number, because 12086701909 - 2¹¹ = 12086699861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12086702909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043350954 + 6043350955.

It is an arithmetic number, because the mean of its divisors is an integer number (6043350955).

Almost surely, 2^12086701909 is an apocalyptic number.

It is an amenable number.

12086701909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12086701909 is an equidigital number, since it uses as much as digits as its factorization.

12086701909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 12086701909 in words is "twelve billion, eighty-six million, seven hundred one thousand, nine hundred nine".