3215015513512 has 64 divisors (see below), whose sum is σ = 6772717929600. Its totient is φ = 1417913015040.

The previous prime is 3215015513459. The next prime is 3215015513543. The reversal of 3215015513512 is 2153155105123.

It is a happy number.

It is a super-3 number, since 3×3215015513512³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206323 + ... + 2544130.

It is an arithmetic number, because the mean of its divisors is an integer number (105823717650).

Almost surely, 2^{3215015513512} is an apocalyptic number.

It is an amenable number.

3215015513512 is an abundant number, since it is smaller than the sum of its proper divisors (3557702416088).

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

3215015513512 is a wasteful number, since it uses less digits than its factorization.

3215015513512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750866 (or 2750862 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 3215015513512 in words is "three trillion, two hundred fifteen billion, fifteen million, five hundred thirteen thousand, five hundred twelve".