7216262120 has 16 divisors (see below), whose sum is σ = 16236589860. Its totient is φ = 2886504832.

The previous prime is 7216261999. The next prime is 7216262143. The reversal of 7216262120 is 212626127.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7195450276 + 20811844 = 84826^2 + 4562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90203237 + ... + 90203316.

Almost surely, 2^7216262120 is an apocalyptic number.

It is an amenable number.

7216262120 is an abundant number, since it is smaller than the sum of its proper divisors (9020327740).

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

7216262120 is a wasteful number, since it uses less digits than its factorization.

7216262120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180406564 (or 180406560 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7216262120 is about 84948.5851559636. The cubic root of 7216262120 is about 1932.4314634898.

Adding to 7216262120 its reverse (212626127), we get a palindrome (7428888247).

The spelling of 7216262120 in words is "seven billion, two hundred sixteen million, two hundred sixty-two thousand, one hundred twenty".