3001722211872 has 504 divisors, whose sum is σ = 9546356155392. Its totient is φ = 928305100800.

The previous prime is 3001722211871. The next prime is 3001722211877. The reversal of 3001722211872 is 2781122271003.

It is a happy number.

3001722211872 is a `hidden beast` number, since 300 + 1 + 72 + 2 + 211 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001722211871) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 478664097 + ... + 478670367.

It is an arithmetic number, because the mean of its divisors is an integer number (18941182848).

Almost surely, 2^{3001722211872} is an apocalyptic number.

3001722211872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3001722211872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4773178077696).

3001722211872 is an abundant number, since it is smaller than the sum of its proper divisors (6544633943520).

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

3001722211872 is an equidigital number, since it uses as much as digits as its factorization.

3001722211872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404 (or 6364 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

Adding to 3001722211872 its reverse (2781122271003), we get a palindrome (5782844482875).

The spelling of 3001722211872 in words is "three trillion, one billion, seven hundred twenty-two million, two hundred eleven thousand, eight hundred seventy-two".