1012031220241 has 4 divisors (see below), whose sum is σ = 1013682169012. Its totient is φ = 1010380271472.

The previous prime is 1012031220209. The next prime is 1012031220251. The reversal of 1012031220241 is 1420221302101.

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 24988970241 + 987042250000 = 158079^2 + 993500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012031220241 - 2⁵ = 1012031220209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012031220251) 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 3 ways as a sum of consecutive naturals, for example, 825473466 + ... + 825474691.

It is an arithmetic number, because the mean of its divisors is an integer number (253420542253).

Almost surely, 2^{1012031220241} is an apocalyptic number.

It is an amenable number.

1012031220241 is a deficient number, since it is larger than the sum of its proper divisors (1650948771).

1012031220241 is an equidigital number, since it uses as much as digits as its factorization.

1012031220241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650948770.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1012031220241 its reverse (1420221302101), we get a palindrome (2432252522342).

The spelling of 1012031220241 in words is "one trillion, twelve billion, thirty-one million, two hundred twenty thousand, two hundred forty-one".