1220000303201 has 4 divisors (see below), whose sum is σ = 1220050880532. Its totient is φ = 1219949725872.

The previous prime is 1220000303129. The next prime is 1220000303209. The reversal of 1220000303201 is 1023030000221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 729546598225 + 490453704976 = 854135^2 + 700324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220000303201 - 2³⁴ = 1202820434017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220000303209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25252466 + ... + 25300731.

It is an arithmetic number, because the mean of its divisors is an integer number (305012720133).

Almost surely, 2^{1220000303201} is an apocalyptic number.

It is an amenable number.

1220000303201 is a deficient number, since it is larger than the sum of its proper divisors (50577331).

1220000303201 is an equidigital number, since it uses as much as digits as its factorization.

1220000303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50577330.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1220000303201 its reverse (1023030000221), we get a palindrome (2243030303422).

The spelling of 1220000303201 in words is "one trillion, two hundred twenty billion, three hundred three thousand, two hundred one".