7443212128 has 24 divisors (see below), whose sum is σ = 15985990440. Its totient is φ = 3383278080.

The previous prime is 7443212111. The next prime is 7443212129. The reversal of 7443212128 is 8212123447.

It is a junction number, because it is equal to n+sod(n) for n = 7443212093 and 7443212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7443212129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10572393 + ... + 10573096.

It is an arithmetic number, because the mean of its divisors is an integer number (666082935).

Almost surely, 2^7443212128 is an apocalyptic number.

It is an amenable number.

7443212128 is an abundant number, since it is smaller than the sum of its proper divisors (8542778312).

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

7443212128 is a wasteful number, since it uses less digits than its factorization.

7443212128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145510 (or 21145502 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 7443212128 is about 86274.0524607486. The cubic root of 7443212128 is about 1952.4809209872.

The spelling of 7443212128 in words is "seven billion, four hundred forty-three million, two hundred twelve thousand, one hundred twenty-eight".