3216611212 has 48 divisors (see below), whose sum is σ = 6157912320. Its totient is φ = 1466035200.

The previous prime is 3216611179. The next prime is 3216611221. The reversal of 3216611212 is 2121166123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136528 + ... + 158344.

It is an arithmetic number, because the mean of its divisors is an integer number (128289840).

Almost surely, 2^3216611212 is an apocalyptic number.

It is an amenable number.

3216611212 is a deficient number, since it is larger than the sum of its proper divisors (2941301108).

3216611212 is a wasteful number, since it uses less digits than its factorization.

3216611212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922 (or 21920 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 3216611212 is about 56715.1762053156. The cubic root of 3216611212 is about 1476.1580428983.

Adding to 3216611212 its reverse (2121166123), we get a palindrome (5337777335).

The spelling of 3216611212 in words is "three billion, two hundred sixteen million, six hundred eleven thousand, two hundred twelve".