1220032300221 has 24 divisors (see below), whose sum is σ = 2024142307200. Its totient is φ = 693657984096.

The previous prime is 1220032300219. The next prime is 1220032300229.

1220032300221 is a `hidden beast` number, since 12 + 200 + 3 + 230 + 0 + 221 = 666.

1220032300221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1220032300221 - 2¹ = 1220032300219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220032300194 and 1220032300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220032300229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48644730 + ... + 48669803.

It is an arithmetic number, because the mean of its divisors is an integer number (84339262800).

Almost surely, 2^{1220032300221} is an apocalyptic number.

It is an amenable number.

1220032300221 is a deficient number, since it is larger than the sum of its proper divisors (804110006979).

1220032300221 is a wasteful number, since it uses less digits than its factorization.

1220032300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97314745 (or 97314742 counting only the distinct ones).

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

The spelling of 1220032300221 in words is "one trillion, two hundred twenty billion, thirty-two million, three hundred thousand, two hundred twenty-one".