3215012512 has 24 divisors (see below), whose sum is σ = 6332105556. Its totient is φ = 1606858752.

The previous prime is 3215012509. The next prime is 3215012513. The reversal of 3215012512 is 2152105123.

It can be written as a sum of positive squares in 2 ways, for example, as 2912113296 + 302899216 = 53964^2 + 17404^2 .

It is not an unprimeable number, because it can be changed into a prime (3215012513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66118 + ... + 103930.

Almost surely, 2^3215012512 is an apocalyptic number.

3215012512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3215012512 is a deficient number, since it is larger than the sum of its proper divisors (3117093044).

3215012512 is a wasteful number, since it uses less digits than its factorization.

3215012512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480 (or 40472 counting only the distinct ones).

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

The square root of 3215012512 is about 56701.0803424414. The cubic root of 3215012512 is about 1475.9134454230.

Adding to 3215012512 its reverse (2152105123), we get a palindrome (5367117635).

The spelling of 3215012512 in words is "three billion, two hundred fifteen million, twelve thousand, five hundred twelve".