12206120 has 32 divisors (see below), whose sum is σ = 27621000. Its totient is φ = 4854528.

The previous prime is 12206101. The next prime is 12206143. The reversal of 12206120 is 2160221.

It can be written as a sum of positive squares in 4 ways, for example, as 11600836 + 605284 = 3406^2 + 778^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12206095 and 12206104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106 + ... + 8654.

Almost surely, 2^12206120 is an apocalyptic number.

12206120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12206120 is an abundant number, since it is smaller than the sum of its proper divisors (15414880).

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

12206120 is a wasteful number, since it uses less digits than its factorization.

12206120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12206120 is about 3493.7258049252. The cubic root of 12206120 is about 230.2462391167.

Adding to 12206120 its reverse (2160221), we get a palindrome (14366341).

The spelling of 12206120 in words is "twelve million, two hundred six thousand, one hundred twenty".