12000220101220 has 48 divisors (see below), whose sum is σ = 27141944019120. Its totient is φ = 4430363198976.

The previous prime is 12000220101193. The next prime is 12000220101271. The reversal of 12000220101220 is 2210102200021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1359015029824 + 10641205071396 = 1165768^2 + 3262086^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 12000220101220.

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, 165127 + ... + 4901806.

It is an arithmetic number, because the mean of its divisors is an integer number (565457167065).

Almost surely, 2^{12000220101220} is an apocalyptic number.

12000220101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000220101220 is an abundant number, since it is smaller than the sum of its proper divisors (15141723917900).

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

12000220101220 is a wasteful number, since it uses less digits than its factorization.

12000220101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076064 (or 5076062 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12000220101220 its reverse (2210102200021), we get a palindrome (14210322301241).

The spelling of 12000220101220 in words is "twelve trillion, two hundred twenty million, one hundred one thousand, two hundred twenty".