3221040212 has 12 divisors (see below), whose sum is σ = 6070422036. Its totient is φ = 1486633920.

The previous prime is 3221040169. The next prime is 3221040233. The reversal of 3221040212 is 2120401223.

It can be written as a sum of positive squares in 2 ways, for example, as 1960364176 + 1260676036 = 44276^2 + 35506^2 .

It is a congruent number.

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, 30971489 + ... + 30971592.

It is an arithmetic number, because the mean of its divisors is an integer number (505868503).

Almost surely, 2^3221040212 is an apocalyptic number.

It is an amenable number.

3221040212 is a deficient number, since it is larger than the sum of its proper divisors (2849381824).

3221040212 is a wasteful number, since it uses less digits than its factorization.

3221040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61943098 (or 61943096 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3221040212 is about 56754.2087602320. The cubic root of 3221040212 is about 1476.8352468584.

Adding to 3221040212 its reverse (2120401223), we get a palindrome (5341441435).

The spelling of 3221040212 in words is "three billion, two hundred twenty-one million, forty thousand, two hundred twelve".