1021203421332 has 12 divisors (see below), whose sum is σ = 2382807983136. Its totient is φ = 340401140440.

The previous prime is 1021203421321. The next prime is 1021203421351. The reversal of 1021203421332 is 2331243021201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42550142544 + ... + 42550142567.

It is an arithmetic number, because the mean of its divisors is an integer number (198567331928).

Almost surely, 2^{1021203421332} is an apocalyptic number.

1021203421332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021203421332 is an abundant number, since it is smaller than the sum of its proper divisors (1361604561804).

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

1021203421332 is a wasteful number, since it uses less digits than its factorization.

1021203421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85100285118 (or 85100285116 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1021203421332 its reverse (2331243021201), we get a palindrome (3352446442533).

The spelling of 1021203421332 in words is "one trillion, twenty-one billion, two hundred three million, four hundred twenty-one thousand, three hundred thirty-two".