12203033220 has 72 divisors (see below), whose sum is σ = 42303852864. Its totient is φ = 2789264448.

The previous prime is 12203033201. The next prime is 12203033261. The reversal of 12203033220 is 2233030221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12203033193 and 12203033202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4841214 + ... + 4843733.

It is an arithmetic number, because the mean of its divisors is an integer number (587553512).

Almost surely, 2^12203033220 is an apocalyptic number.

12203033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203033220 is an abundant number, since it is smaller than the sum of its proper divisors (30100819644).

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

12203033220 is a wasteful number, since it uses less digits than its factorization.

12203033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9684969 (or 9684964 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12203033220 its reverse (2233030221), we get a palindrome (14436063441).

The spelling of 12203033220 in words is "twelve billion, two hundred three million, thirty-three thousand, two hundred twenty".