1220203333012 has 6 divisors (see below), whose sum is σ = 2135355832778. Its totient is φ = 610101666504.

The previous prime is 1220203332991. The next prime is 1220203333031. The reversal of 1220203333012 is 2103333020221.

It can be written as a sum of positive squares in only one way, i.e., 936938817936 + 283264515076 = 967956^2 + 532226^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152525416623 + ... + 152525416630.

Almost surely, 2^{1220203333012} is an apocalyptic number.

It is an amenable number.

1220203333012 is a deficient number, since it is larger than the sum of its proper divisors (915152499766).

1220203333012 is a wasteful number, since it uses less digits than its factorization.

1220203333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305050833257 (or 305050833255 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1220203333012 its reverse (2103333020221), we get a palindrome (3323536353233).

The spelling of 1220203333012 in words is "one trillion, two hundred twenty billion, two hundred three million, three hundred thirty-three thousand, twelve".