3221515012 has 12 divisors (see below), whose sum is σ = 5644376640. Its totient is φ = 1608835976.

The previous prime is 3221514997. The next prime is 3221515027. The reversal of 3221515012 is 2105151223.

It is an interprime number because it is at equal distance from previous prime (3221514997) and next prime (3221515027).

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, 476608 + ... + 483319.

It is an arithmetic number, because the mean of its divisors is an integer number (470364720).

Almost surely, 2^3221515012 is an apocalyptic number.

It is an amenable number.

3221515012 is a deficient number, since it is larger than the sum of its proper divisors (2422861628).

3221515012 is a wasteful number, since it uses less digits than its factorization.

3221515012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960770 (or 960768 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3221515012 is about 56758.3915557867. The cubic root of 3221515012 is about 1476.9078079855.

Adding to 3221515012 its reverse (2105151223), we get a palindrome (5326666235).

The spelling of 3221515012 in words is "three billion, two hundred twenty-one million, five hundred fifteen thousand, twelve".