3215012612 has 12 divisors (see below), whose sum is σ = 6430025280. Its totient is φ = 1377862536.

The previous prime is 3215012569. The next prime is 3215012627. The reversal of 3215012612 is 2162105123.

3215012612 is an admirable 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, 57410912 + ... + 57410967.

It is an arithmetic number, because the mean of its divisors is an integer number (535835440).

Almost surely, 2^3215012612 is an apocalyptic number.

It is an amenable number.

3215012612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215012612 is a wasteful number, since it uses less digits than its factorization.

3215012612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114821890 (or 114821888 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3215012612 is about 56701.0812242589. The cubic root of 3215012612 is about 1475.9134607253.

Adding to 3215012612 its reverse (2162105123), we get a palindrome (5377117735).

The spelling of 3215012612 in words is "three billion, two hundred fifteen million, twelve thousand, six hundred twelve".