1021240521232 has 10 divisors (see below), whose sum is σ = 1978653509918. Its totient is φ = 510620260608.

The previous prime is 1021240521227. The next prime is 1021240521233. The reversal of 1021240521232 is 2321250421201.

1021240521232 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 only one way, i.e., 883329300736 + 137911220496 = 939856^2 + 371364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021240521197 and 1021240521206.

It is not an unprimeable number, because it can be changed into a prime (1021240521233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31913766273 + ... + 31913766304.

Almost surely, 2^{1021240521232} is an apocalyptic number.

It is an amenable number.

1021240521232 is a deficient number, since it is larger than the sum of its proper divisors (957412988686).

1021240521232 is an equidigital number, since it uses as much as digits as its factorization.

1021240521232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63827532585 (or 63827532579 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1021240521232 its reverse (2321250421201), we get a palindrome (3342490942433).

The spelling of 1021240521232 in words is "one trillion, twenty-one billion, two hundred forty million, five hundred twenty-one thousand, two hundred thirty-two".