1012020221203 has 16 divisors (see below), whose sum is σ = 1049012939520. Its totient is φ = 975168591264.

The previous prime is 1012020221141. The next prime is 1012020221239. The reversal of 1012020221203 is 3021220202101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012020221203 - 2⁹ = 1012020220691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012020221273) 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, 46662600 + ... + 46684282.

It is an arithmetic number, because the mean of its divisors is an integer number (65563308720).

Almost surely, 2^{1012020221203} is an apocalyptic number.

1012020221203 is a deficient number, since it is larger than the sum of its proper divisors (36992718317).

1012020221203 is a wasteful number, since it uses less digits than its factorization.

1012020221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24858.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012020221203 its reverse (3021220202101), we get a palindrome (4033240423304).

The spelling of 1012020221203 in words is "one trillion, twelve billion, twenty million, two hundred twenty-one thousand, two hundred three".