3212543272 has 16 divisors (see below), whose sum is σ = 6137170740. Its totient is φ = 1575964416.

The previous prime is 3212543249. The next prime is 3212543281. The reversal of 3212543272 is 2723452123.

It can be written as a sum of positive squares in 2 ways, for example, as 2510611236 + 701932036 = 50106^2 + 26494^2 .

It is an alternating number because its digits alternate between odd and even.

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, 3787953 + ... + 3788800.

Almost surely, 2^3212543272 is an apocalyptic number.

It is an amenable number.

3212543272 is a deficient number, since it is larger than the sum of its proper divisors (2924627468).

3212543272 is a wasteful number, since it uses less digits than its factorization.

3212543272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576812 (or 7576808 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 3212543272 is about 56679.3019717074. The cubic root of 3212543272 is about 1475.5354979132.

Adding to 3212543272 its reverse (2723452123), we get a palindrome (5935995395).

The spelling of 3212543272 in words is "three billion, two hundred twelve million, five hundred forty-three thousand, two hundred seventy-two".