12190120 has 32 divisors (see below), whose sum is σ = 28100520. Its totient is φ = 4756480.

The previous prime is 12190117. The next prime is 12190133. The reversal of 12190120 is 2109121.

It can be written as a sum of positive squares in 4 ways, for example, as 3392964 + 8797156 = 1842^2 + 2966^2 .

It is a super-2 number, since 2×12190120² = 297198051228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12190094 and 12190103.

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, 2077 + ... + 5356.

Almost surely, 2^12190120 is an apocalyptic number.

12190120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12190120 is an abundant number, since it is smaller than the sum of its proper divisors (15910400).

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

12190120 is a wasteful number, since it uses less digits than its factorization.

12190120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7481 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12190120 is about 3491.4352349714. The cubic root of 12190120 is about 230.1455915001.

Adding to 12190120 its reverse (2109121), we get a palindrome (14299241).

The spelling of 12190120 in words is "twelve million, one hundred ninety thousand, one hundred twenty".