12220152 has 32 divisors (see below), whose sum is σ = 34915200. Its totient is φ = 3491424.

The previous prime is 12220147. The next prime is 12220171. The reversal of 12220152 is 25102221.

It is a super-2 number, since 2×12220152² = 298664229806208, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

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, 36202 + ... + 36537.

It is an arithmetic number, because the mean of its divisors is an integer number (1091100).

Almost surely, 2^12220152 is an apocalyptic number.

12220152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220152 is an abundant number, since it is smaller than the sum of its proper divisors (22695048).

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

12220152 is a wasteful number, since it uses less digits than its factorization.

12220152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72755 (or 72751 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12220152 is about 3495.7333994457. The cubic root of 12220152 is about 230.3344347099.

Adding to 12220152 its reverse (25102221), we get a palindrome (37322373).

The spelling of 12220152 in words is "twelve million, two hundred twenty thousand, one hundred fifty-two".