12032201011220 has 48 divisors (see below), whose sum is σ = 27227359180560. Its totient is φ = 4440034538496.

The previous prime is 12032201011219. The next prime is 12032201011231. The reversal of 12032201011220 is 2211010223021.

It can be written as a sum of positive squares in 8 ways, for example, as 3362250318736 + 8669950692484 = 1833644^2 + 2944478^2 .

It is a super-2 number, since 2×12032201011220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13227185 + ... + 14107544.

It is an arithmetic number, because the mean of its divisors is an integer number (567236649595).

Almost surely, 2^{12032201011220} is an apocalyptic number.

12032201011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032201011220 is an abundant number, since it is smaller than the sum of its proper divisors (15195158169340).

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

12032201011220 is a wasteful number, since it uses less digits than its factorization.

12032201011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27336444 (or 27336442 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12032201011220 its reverse (2211010223021), we get a palindrome (14243211234241).

The spelling of 12032201011220 in words is "twelve trillion, thirty-two billion, two hundred one million, eleven thousand, two hundred twenty".