13202231021 has 8 divisors (see below), whose sum is σ = 15097596480. Its totient is φ = 11309198688.

The previous prime is 13202230999. The next prime is 13202231027. The reversal of 13202231021 is 12013220231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13202231021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202231027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571136 + ... + 593801.

It is an arithmetic number, because the mean of its divisors is an integer number (1887199560).

Almost surely, 2^13202231021 is an apocalyptic number.

It is an amenable number.

13202231021 is a deficient number, since it is larger than the sum of its proper divisors (1895365459).

13202231021 is a wasteful number, since it uses less digits than its factorization.

13202231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166563.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13202231021 its reverse (12013220231), we get a palindrome (25215451252).

The spelling of 13202231021 in words is "thirteen billion, two hundred two million, two hundred thirty-one thousand, twenty-one".