It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3122342021 = 97 ⋅32189093.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 21202432213 is an apocalyptic number.
It is an amenable number.
1202432213 is an equidigital number, since it uses as much as digits as its factorization.
1202432213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20380266.
The square root of 1202432213 is about 34676.1043515560. The cubic root of 1202432213 is about 1063.3760324460.
Adding to 1202432213 its reverse (3122342021), we get a palindrome (4324774234).
The spelling of 1202432213 in words is "one billion, two hundred two million, four hundred thirty-two thousand, two hundred thirteen".