1021223232032 has 60 divisors (see below), whose sum is σ = 2082384045126. Its totient is φ = 492993392640.

The previous prime is 1021223232017. The next prime is 1021223232049. The reversal of 1021223232032 is 2302323221201.

It can be written as a sum of positive squares in 5 ways, for example, as 21455218576 + 999768013456 = 146476^2 + 999884^2 .

It is a super-2 number, since 2×1021223232032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021223231989 and 1021223232007.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 22610432 + ... + 22655552.

Almost surely, 2^{1021223232032} 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 1021223232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041192022563).

1021223232032 is an abundant number, since it is smaller than the sum of its proper divisors (1061160813094).

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

1021223232032 is an frugal number, since it uses more digits than its factorization.

1021223232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45247 (or 45152 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1021223232032 its reverse (2302323221201), we get a palindrome (3323546453233).

The spelling of 1021223232032 in words is "one trillion, twenty-one billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-two".