143220313211000 has 128 divisors (see below), whose sum is σ = 344849097116160. Its totient is φ = 55640218752000.

The previous prime is 143220313210973. The next prime is 143220313211083. The reversal of 143220313211000 is 112313022341.

It is a super-2 number, since 2×143220313211000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310762 + ... + 16975238.

It is an arithmetic number, because the mean of its divisors is an integer number (2694133571220).

Almost surely, 2^{143220313211000} is an apocalyptic number.

143220313211000 is a gapful number since it is divisible by the number (10) 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 143220313211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172424548558080).

143220313211000 is an abundant number, since it is smaller than the sum of its proper divisors (201628783905160).

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

143220313211000 is a wasteful number, since it uses less digits than its factorization.

143220313211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664762 (or 15664748 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 143220313211000 its reverse (112313022341), we get a palindrome (143332626233341).

The spelling of 143220313211000 in words is "one hundred forty-three trillion, two hundred twenty billion, three hundred thirteen million, two hundred eleven thousand".