1012220320232 has 96 divisors (see below), whose sum is σ = 2128927941000. Its totient is φ = 450747095040.

The previous prime is 1012220320211. The next prime is 1012220320247. The reversal of 1012220320232 is 2320230222101.

It is a happy number.

1012220320232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 871470792676 + 140749527556 = 933526^2 + 375166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10480868 + ... + 10577004.

Almost surely, 2^{1012220320232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012220320232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064463970500).

1012220320232 is an abundant number, since it is smaller than the sum of its proper divisors (1116707620768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012220320232 is a wasteful number, since it uses less digits than its factorization.

1012220320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96387 (or 96372 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1012220320232 its reverse (2320230222101), we get a palindrome (3332450542333).

The spelling of 1012220320232 in words is "one trillion, twelve billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-two".