2231020008672 has 192 divisors, whose sum is σ = 7211097653760. Its totient is φ = 588140734464.

The previous prime is 2231020008667. The next prime is 2231020008697. The reversal of 2231020008672 is 2768000201322.

It is a super-3 number, since 3×2231020008672³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20116123 + ... + 20226725.

It is an arithmetic number, because the mean of its divisors is an integer number (37557800280).

Almost surely, 2^{2231020008672} 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 2231020008672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3605548826880).

2231020008672 is an abundant number, since it is smaller than the sum of its proper divisors (4980077645088).

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

2231020008672 is a wasteful number, since it uses less digits than its factorization.

2231020008672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112945 (or 112937 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 2231020008672 its reverse (2768000201322), we get a palindrome (4999020209994).

The spelling of 2231020008672 in words is "two trillion, two hundred thirty-one billion, twenty million, eight thousand, six hundred seventy-two".