3212521224 has 128 divisors (see below), whose sum is σ = 8964172800. Its totient is φ = 951125760.

The previous prime is 3212521223. The next prime is 3212521231. The reversal of 3212521224 is 4221252123.

It is a super-2 number, since 2×3212521224² = 20640585229300916352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3212521194 and 3212521203.

It is not an unprimeable number, because it can be changed into a prime (3212521223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6142227 + ... + 6142749.

It is an arithmetic number, because the mean of its divisors is an integer number (70032600).

Almost surely, 2^3212521224 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 3212521224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482086400).

3212521224 is an abundant number, since it is smaller than the sum of its proper divisors (5751651576).

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

3212521224 is a wasteful number, since it uses less digits than its factorization.

3212521224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 3212521224 is about 56679.1074735656. The cubic root of 3212521224 is about 1475.5321223238.

Adding to 3212521224 its reverse (4221252123), we get a palindrome (7433773347).

The spelling of 3212521224 in words is "three billion, two hundred twelve million, five hundred twenty-one thousand, two hundred twenty-four".