7321304212 has 6 divisors (see below), whose sum is σ = 12812282378. Its totient is φ = 3660652104.

The previous prime is 7321304203. The next prime is 7321304213. The reversal of 7321304212 is 2124031237.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4105733776 + 3215570436 = 64076^2 + 56706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321304213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915163023 + ... + 915163030.

Almost surely, 2^7321304212 is an apocalyptic number.

It is an amenable number.

7321304212 is a deficient number, since it is larger than the sum of its proper divisors (5490978166).

7321304212 is a wasteful number, since it uses less digits than its factorization.

7321304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830326057 (or 1830326055 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7321304212 is about 85564.6200949902. The cubic root of 7321304212 is about 1941.7626849686.

Adding to 7321304212 its reverse (2124031237), we get a palindrome (9445335449).

The spelling of 7321304212 in words is "seven billion, three hundred twenty-one million, three hundred four thousand, two hundred twelve".