12220300 has 18 divisors (see below), whose sum is σ = 26518268. Its totient is φ = 4888080.

The previous prime is 12220277. The next prime is 12220301. The reversal of 12220300 is 302221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12220301) 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, 61002 + ... + 61201.

Almost surely, 2^12220300 is an apocalyptic number.

12220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220300 is an abundant number, since it is smaller than the sum of its proper divisors (14297968).

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

12220300 is a wasteful number, since it uses less digits than its factorization.

12220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122217 (or 122210 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 12220300 is about 3495.7545680439. The cubic root of 12220300 is about 230.3353645772.

Adding to 12220300 its reverse (302221), we get a palindrome (12522521).

The spelling of 12220300 in words is "twelve million, two hundred twenty thousand, three hundred".