326211012 has 72 divisors (see below), whose sum is σ = 844847640. Its totient is φ = 106099200.

The previous prime is 326210971. The next prime is 326211013. The reversal of 326211012 is 210112623.

326211012 is a `hidden beast` number, since 32 + 621 + 1 + 0 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 246929796 + 79281216 = 15714^2 + 8904^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (326211013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264814 + ... + 266042.

It is an arithmetic number, because the mean of its divisors is an integer number (11733995).

Almost surely, 2^326211012 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 326211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422423820).

326211012 is an abundant number, since it is smaller than the sum of its proper divisors (518636628).

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

326211012 is a wasteful number, since it uses less digits than its factorization.

326211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 326211012 is about 18061.3125768865. The cubic root of 326211012 is about 688.3873365395.

Adding to 326211012 its reverse (210112623), we get a palindrome (536323635).

It can be divided in two parts, 32621 and 1012, that added together give a palindrome (33633).

The spelling of 326211012 in words is "three hundred twenty-six million, two hundred eleven thousand, twelve".