12011322230220 has 48 divisors (see below), whose sum is σ = 34791416120160. Its totient is φ = 3092570320896.

The previous prime is 12011322230207. The next prime is 12011322230287. The reversal of 12011322230220 is 2203222311021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451527637 + ... + 3451531116.

It is an arithmetic number, because the mean of its divisors is an integer number (724821169170).

Almost surely, 2^{12011322230220} is an apocalyptic number.

12011322230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011322230220 is an abundant number, since it is smaller than the sum of its proper divisors (22780093889940).

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

12011322230220 is a wasteful number, since it uses less digits than its factorization.

12011322230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903058794 (or 6903058792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12011322230220 its reverse (2203222311021), we get a palindrome (14214544541241).

The spelling of 12011322230220 in words is "twelve trillion, eleven billion, three hundred twenty-two million, two hundred thirty thousand, two hundred twenty".