3216200125 has 8 divisors (see below), whose sum is σ = 4013817912. Its totient is φ = 2572960000.

The previous prime is 3216200123. The next prime is 3216200159. The reversal of 3216200125 is 5210026123.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 3215910681 = 538^2 + 56709^2 .

It is not a de Polignac number, because 3216200125 - 2¹ = 3216200123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3216200096 and 3216200105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216200123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12864676 + ... + 12864925.

It is an arithmetic number, because the mean of its divisors is an integer number (501727239).

Almost surely, 2^3216200125 is an apocalyptic number.

It is an amenable number.

3216200125 is a deficient number, since it is larger than the sum of its proper divisors (797617787).

3216200125 is an equidigital number, since it uses as much as digits as its factorization.

3216200125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25729616 (or 25729606 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3216200125 is about 56711.5519537246. The cubic root of 3216200125 is about 1476.0951552613.

Adding to 3216200125 its reverse (5210026123), we get a palindrome (8426226248).

The spelling of 3216200125 in words is "three billion, two hundred sixteen million, two hundred thousand, one hundred twenty-five".