12290560185 has 16 divisors (see below), whose sum is σ = 19723257216. Its totient is φ = 6535511808.

The previous prime is 12290560157. The next prime is 12290560189. The reversal of 12290560185 is 58106509221.

It is not a de Polignac number, because 12290560185 - 2¹⁰ = 12290559161 is a prime.

It is a super-2 number, since 2×12290560185² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12290560189) 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, 1210629 + ... + 1220738.

It is an arithmetic number, because the mean of its divisors is an integer number (1232703576).

Almost surely, 2^12290560185 is an apocalyptic number.

12290560185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12290560185 is a deficient number, since it is larger than the sum of its proper divisors (7432697031).

12290560185 is a wasteful number, since it uses less digits than its factorization.

12290560185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431712.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 12290560185 in words is "twelve billion, two hundred ninety million, five hundred sixty thousand, one hundred eighty-five".