2721231599712 has 96 divisors (see below), whose sum is σ = 7322198536800. Its totient is φ = 884380078080.

The previous prime is 2721231599711. The next prime is 2721231599719. The reversal of 2721231599712 is 2179951321272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2721231599712² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721231599711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5873698 + ... + 6320030.

It is an arithmetic number, because the mean of its divisors is an integer number (76272901425).

Almost surely, 2^{2721231599712} 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 2721231599712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3661099268400).

2721231599712 is an abundant number, since it is smaller than the sum of its proper divisors (4600966937088).

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

2721231599712 is a wasteful number, since it uses less digits than its factorization.

2721231599712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447936 (or 447928 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The spelling of 2721231599712 in words is "two trillion, seven hundred twenty-one billion, two hundred thirty-one million, five hundred ninety-nine thousand, seven hundred twelve".