7443212130 has 48 divisors (see below), whose sum is σ = 19617469560. Its totient is φ = 1957665024.

The previous prime is 7443212129. The next prime is 7443212167. The reversal of 7443212130 is 312123447.

It is a happy number.

7443212130 is a `hidden beast` number, since 7 + 443 + 2 + 1 + 213 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6314050521 + 1129161609 = 79461^2 + 33603^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7443212094 and 7443212103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559885 + ... + 573024.

Almost surely, 2^7443212130 is an apocalyptic number.

7443212130 is an abundant number, since it is smaller than the sum of its proper divisors (12174257430).

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

7443212130 is a wasteful number, since it uses less digits than its factorization.

7443212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132995 (or 1132992 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7443212130 is about 86274.0524723396. The cubic root of 7443212130 is about 1952.4809211621.

Adding to 7443212130 its reverse (312123447), we get a palindrome (7755335577).

The spelling of 7443212130 in words is "seven billion, four hundred forty-three million, two hundred twelve thousand, one hundred thirty".