272120271312 has 160 divisors (see below), whose sum is σ = 744109159680. Its totient is φ = 85520793600.

The previous prime is 272120271229. The next prime is 272120271323. The reversal of 272120271312 is 213172021272.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 272120271312.

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, 25529088 + ... + 25539744.

It is an arithmetic number, because the mean of its divisors is an integer number (4650682248).

Almost surely, 2^272120271312 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 272120271312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372054579840).

272120271312 is an abundant number, since it is smaller than the sum of its proper divisors (471988888368).

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

272120271312 is a wasteful number, since it uses less digits than its factorization.

272120271312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021 (or 11015 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 272120271312 its reverse (213172021272), we get a palindrome (485292292584).

The spelling of 272120271312 in words is "two hundred seventy-two billion, one hundred twenty million, two hundred seventy-one thousand, three hundred twelve".