3215112512 has 28 divisors (see below), whose sum is σ = 6715780320. Its totient is φ = 1522947456.

The previous prime is 3215112491. The next prime is 3215112529. The reversal of 3215112512 is 2152115123.

3215112512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1320788 + ... + 1323219.

Almost surely, 2^3215112512 is an apocalyptic number.

3215112512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3215112512 is an abundant number, since it is smaller than the sum of its proper divisors (3500667808).

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

3215112512 is a wasteful number, since it uses less digits than its factorization.

3215112512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644038 (or 2644028 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 3215112512 is about 56701.9621529978. The cubic root of 3215112512 is about 1475.9287475733.

Adding to 3215112512 its reverse (2152115123), we get a palindrome (5367227635).

The spelling of 3215112512 in words is "three billion, two hundred fifteen million, one hundred twelve thousand, five hundred twelve".