12242492085 has 16 divisors (see below), whose sum is σ = 20004754176. Its totient is φ = 6390406848.

The previous prime is 12242492033. The next prime is 12242492089. The reversal of 12242492085 is 58029424221.

It is a happy number.

It is not a de Polignac number, because 12242492085 - 2²⁷ = 12108274357 is a prime.

It is a super-2 number, since 2×12242492085² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242492089) 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, 8681914 + ... + 8683323.

It is an arithmetic number, because the mean of its divisors is an integer number (1250297136).

Almost surely, 2^12242492085 is an apocalyptic number.

12242492085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12242492085 is a deficient number, since it is larger than the sum of its proper divisors (7762262091).

12242492085 is a wasteful number, since it uses less digits than its factorization.

12242492085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17365292.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 12242492085 in words is "twelve billion, two hundred forty-two million, four hundred ninety-two thousand, eighty-five".