12084240771 has 16 divisors (see below), whose sum is σ = 17909243520. Its totient is φ = 8053161480.

The previous prime is 12084240743. The next prime is 12084240793. The reversal of 12084240771 is 17704248021.

12084240771 is a `hidden beast` number, since 1 + 208 + 42 + 407 + 7 + 1 = 666.

It is not a de Polignac number, because 12084240771 - 2⁷ = 12084240643 is a prime.

It is a super-2 number, since 2×12084240771² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12084240731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8205 + ... + 155678.

It is an arithmetic number, because the mean of its divisors is an integer number (1119327720).

Almost surely, 2^12084240771 is an apocalyptic number.

12084240771 is a deficient number, since it is larger than the sum of its proper divisors (5825002749).

12084240771 is a wasteful number, since it uses less digits than its factorization.

12084240771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166623 (or 166617 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

Adding to 12084240771 its reverse (17704248021), we get a palindrome (29788488792).

The spelling of 12084240771 in words is "twelve billion, eighty-four million, two hundred forty thousand, seven hundred seventy-one".