143212020112 has 60 divisors (see below), whose sum is σ = 323410087260. Its totient is φ = 61255826688.

The previous prime is 143212020101. The next prime is 143212020113. The reversal of 143212020112 is 211020212341.

It can be written as a sum of positive squares in 2 ways, for example, as 113876551936 + 29335468176 = 337456^2 + 171276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143212020112.

It is not an unprimeable number, because it can be changed into a prime (143212020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219618 + ... + 578494.

It is an arithmetic number, because the mean of its divisors is an integer number (5390168121).

Almost surely, 2^143212020112 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 143212020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161705043630).

143212020112 is an abundant number, since it is smaller than the sum of its proper divisors (180198067148).

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

143212020112 is a wasteful number, since it uses less digits than its factorization.

143212020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359408 (or 359395 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 143212020112 its reverse (211020212341), we get a palindrome (354232232453).

The spelling of 143212020112 in words is "one hundred forty-three billion, two hundred twelve million, twenty thousand, one hundred twelve".