3211612125 has 16 divisors (see below), whose sum is σ = 5344123200. Its totient is φ = 1712859600.

The previous prime is 3211612111. The next prime is 3211612127. The reversal of 3211612125 is 5212161123.

It is a happy number.

It is not a de Polignac number, because 3211612125 - 2⁴ = 3211612109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3211612095 and 3211612104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211612127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281775 + ... + 4282524.

It is an arithmetic number, because the mean of its divisors is an integer number (334007700).

Almost surely, 2^3211612125 is an apocalyptic number.

It is an amenable number.

3211612125 is a deficient number, since it is larger than the sum of its proper divisors (2132511075).

3211612125 is an equidigital number, since it uses as much as digits as its factorization.

3211612125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564317 (or 8564307 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 3211612125 is about 56671.0872050290. The cubic root of 3211612125 is about 1475.3929241431.

Adding to 3211612125 its reverse (5212161123), we get a palindrome (8423773248).

The spelling of 3211612125 in words is "three billion, two hundred eleven million, six hundred twelve thousand, one hundred twenty-five".