12211180 has 12 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 4884464.

The previous prime is 12211169. The next prime is 12211193. The reversal of 12211180 is 8111221.

It is a super-2 number, since 2×12211180² = 298225833984800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305260 + ... + 305299.

It is an arithmetic number, because the mean of its divisors is an integer number (2136960).

Almost surely, 2^12211180 is an apocalyptic number.

12211180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211180 is an abundant number, since it is smaller than the sum of its proper divisors (13432340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211180 is a wasteful number, since it uses less digits than its factorization.

12211180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610568 (or 610566 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 12211180 is about 3494.4498851751. The cubic root of 12211180 is about 230.2780506183.

It can be divided in two parts, 1221 and 1180, that added together give a 4-th power (2401 = 7⁴).

The spelling of 12211180 in words is "twelve million, two hundred eleven thousand, one hundred eighty".