3212415520 has 96 divisors (see below), whose sum is σ = 7962095232. Its totient is φ = 1222459392.

The previous prime is 3212415511. The next prime is 3212415527. The reversal of 3212415520 is 255142123.

3212415520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3212415520² = 20639226946273740800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3212415527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707979 + ... + 712501.

It is an arithmetic number, because the mean of its divisors is an integer number (82938492).

Almost surely, 2^3212415520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212415520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981047616).

3212415520 is an abundant number, since it is smaller than the sum of its proper divisors (4749679712).

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

3212415520 is a wasteful number, since it uses less digits than its factorization.

3212415520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754 (or 4746 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3212415520 is about 56678.1749882616. The cubic root of 3212415520 is about 1475.5159386322.

Adding to 3212415520 its reverse (255142123), we get a palindrome (3467557643).

The spelling of 3212415520 in words is "three billion, two hundred twelve million, four hundred fifteen thousand, five hundred twenty".