12211092 has 36 divisors (see below), whose sum is σ = 30977856. Its totient is φ = 4055760.

The previous prime is 12211079. The next prime is 12211103. The reversal of 12211092 is 29011221.

12211092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12211092² = 298221535664928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15123 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (860496).

Almost surely, 2^12211092 is an apocalyptic number.

12211092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211092 is an abundant number, since it is smaller than the sum of its proper divisors (18766764).

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

12211092 is a wasteful number, since it uses less digits than its factorization.

12211092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12211092 is about 3494.4372937570. The cubic root of 12211092 is about 230.2774974499.

The spelling of 12211092 in words is "twelve million, two hundred eleven thousand, ninety-two".