3261213211326 has 64 divisors (see below), whose sum is σ = 7595288870400. Its totient is φ = 914141344896.

The previous prime is 3261213211253. The next prime is 3261213211327. The reversal of 3261213211326 is 6231123121623.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261213211327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53101705 + ... + 53163083.

It is an arithmetic number, because the mean of its divisors is an integer number (118676388600).

Almost surely, 2^{3261213211326} is an apocalyptic number.

3261213211326 is an abundant number, since it is smaller than the sum of its proper divisors (4334075659074).

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

3261213211326 is a wasteful number, since it uses less digits than its factorization.

3261213211326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85313.

The product of its digits is 15552, while the sum is 33.

Adding to 3261213211326 its reverse (6231123121623), we get a palindrome (9492336332949).

The spelling of 3261213211326 in words is "three trillion, two hundred sixty-one billion, two hundred thirteen million, two hundred eleven thousand, three hundred twenty-six".