1220200210244 has 12 divisors (see below), whose sum is σ = 2149681579500. Its totient is φ = 606005473248.

The previous prime is 1220200210213. The next prime is 1220200210261. The reversal of 1220200210244 is 4420120020221.

It can be written as a sum of positive squares in 2 ways, for example, as 78785753344 + 1141414456900 = 280688^2 + 1068370^2 .

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 3 ways as a sum of consecutive naturals, for example, 1023657299 + ... + 1023658490.

It is an arithmetic number, because the mean of its divisors is an integer number (179140131625).

Almost surely, 2^{1220200210244} is an apocalyptic number.

It is an amenable number.

1220200210244 is a deficient number, since it is larger than the sum of its proper divisors (929481369256).

1220200210244 is a wasteful number, since it uses less digits than its factorization.

1220200210244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047315942 (or 2047315940 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1220200210244 its reverse (4420120020221), we get a palindrome (5640320230465).

The spelling of 1220200210244 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred ten thousand, two hundred forty-four".