212044131505320 has 128 divisors (see below), whose sum is σ = 639870859837440. Its totient is φ = 56213755557120.

The previous prime is 212044131505289. The next prime is 212044131505363. The reversal of 212044131505320 is 23505131440212.

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, 6595605 + ... + 21623835.

It is an arithmetic number, because the mean of its divisors is an integer number (4998991092480).

Almost surely, 2^{212044131505320} is an apocalyptic number.

212044131505320 is a gapful number since it is divisible by the number (20) 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 212044131505320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319935429918720).

212044131505320 is an abundant number, since it is smaller than the sum of its proper divisors (427826728332120).

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

212044131505320 is a wasteful number, since it uses less digits than its factorization.

212044131505320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15028935 (or 15028931 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 212044131505320 its reverse (23505131440212), we get a palindrome (235549262945532).

The spelling of 212044131505320 in words is "two hundred twelve trillion, forty-four billion, one hundred thirty-one million, five hundred five thousand, three hundred twenty".