12003001322220 has 36 divisors (see below), whose sum is σ = 36409104011280. Its totient is φ = 3200800352544.

The previous prime is 12003001322203. The next prime is 12003001322237. The reversal of 12003001322220 is 2222310030021.

12003001322220 is a `hidden beast` number, since 1 + 20 + 0 + 300 + 1 + 322 + 2 + 20 = 666.

12003001322220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12003001322203) and next prime (12003001322237).

It is a tau number, because it is divible by the number of its divisors (36).

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 = 12003001322193 and 12003001322202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33341670160 + ... + 33341670519.

Almost surely, 2^{12003001322220} is an apocalyptic number.

12003001322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003001322220 is an abundant number, since it is smaller than the sum of its proper divisors (24406102689060).

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

12003001322220 is a wasteful number, since it uses less digits than its factorization.

12003001322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66683340694 (or 66683340689 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12003001322220 its reverse (2222310030021), we get a palindrome (14225311352241).

The spelling of 12003001322220 in words is "twelve trillion, three billion, one million, three hundred twenty-two thousand, two hundred twenty".