12210192 has 30 divisors (see below), whose sum is σ = 34171982. Its totient is φ = 4070016.

The previous prime is 12210181. The next prime is 12210197. The reversal of 12210192 is 29101221.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 266256 = 3456^2 + 516^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12210197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42253 + ... + 42540.

Almost surely, 2^12210192 is an apocalyptic number.

12210192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210192 is an abundant number, since it is smaller than the sum of its proper divisors (21961790).

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

12210192 is a wasteful number, since it uses less digits than its factorization.

12210192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84807 (or 84798 counting only the distinct ones).

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

The square root of 12210192 is about 3494.3085152860. The cubic root of 12210192 is about 230.2718398931.

The spelling of 12210192 in words is "twelve million, two hundred ten thousand, one hundred ninety-two".