12220220000 has 60 divisors (see below), whose sum is σ = 30063623436. Its totient is φ = 4888080000.

The previous prime is 12220219997. The next prime is 12220220053. The reversal of 12220220000 is 2202221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 285506 + ... + 325505.

Almost surely, 2^12220220000 is an apocalyptic number.

12220220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220220000 is an abundant number, since it is smaller than the sum of its proper divisors (17843403436).

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

12220220000 is an frugal number, since it uses more digits than its factorization.

12220220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611041 (or 611018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12220220000 its reverse (2202221), we get a palindrome (12222422221).

The spelling of 12220220000 in words is "twelve billion, two hundred twenty million, two hundred twenty thousand".