3211321203112 has 64 divisors (see below), whose sum is σ = 6792422054400. Its totient is φ = 1410121344000.

The previous prime is 3211321203091. The next prime is 3211321203127. The reversal of 3211321203112 is 2113021231123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517812 + ... + 2586652.

It is an arithmetic number, because the mean of its divisors is an integer number (106131594600).

Almost surely, 2^{3211321203112} 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 3211321203112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396211027200).

3211321203112 is an abundant number, since it is smaller than the sum of its proper divisors (3581100851288).

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

3211321203112 is a wasteful number, since it uses less digits than its factorization.

3211321203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069458 (or 2069454 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3211321203112 its reverse (2113021231123), we get a palindrome (5324342434235).

The spelling of 3211321203112 in words is "three trillion, two hundred eleven billion, three hundred twenty-one million, two hundred three thousand, one hundred twelve".