1012220200203 has 16 divisors (see below), whose sum is σ = 1350277184256. Its totient is φ = 674488435680.

The previous prime is 1012220200171. The next prime is 1012220200259. The reversal of 1012220200203 is 3020020222101.

It is a happy number.

It is not a de Polignac number, because 1012220200203 - 2⁵ = 1012220200171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012220200403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77103226 + ... + 77116352.

It is an arithmetic number, because the mean of its divisors is an integer number (84392324016).

Almost surely, 2^{1012220200203} is an apocalyptic number.

1012220200203 is a deficient number, since it is larger than the sum of its proper divisors (338056984053).

1012220200203 is a wasteful number, since it uses less digits than its factorization.

1012220200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1012220200203 its reverse (3020020222101), we get a palindrome (4032240422304).

The spelling of 1012220200203 in words is "one trillion, twelve billion, two hundred twenty million, two hundred thousand, two hundred three".