143212042000 has 160 divisors (see below), whose sum is σ = 353531524320. Its totient is φ = 56090777600.

The previous prime is 143212041949. The next prime is 143212042003. The reversal of 143212042000 is 240212341.

It can be written as a sum of positive squares in 16 ways, for example, as 125746833664 + 17465208336 = 354608^2 + 132156^2 .

It is not an unprimeable number, because it can be changed into a prime (143212042003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69216966 + ... + 69219034.

It is an arithmetic number, because the mean of its divisors is an integer number (2209572027).

Almost surely, 2^143212042000 is an apocalyptic number.

143212042000 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 143212042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176765762160).

143212042000 is an abundant number, since it is smaller than the sum of its proper divisors (210319482320).

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

143212042000 is a wasteful number, since it uses less digits than its factorization.

143212042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 143212042000 its reverse (240212341), we get a palindrome (143452254341).

The spelling of 143212042000 in words is "one hundred forty-three billion, two hundred twelve million, forty-two thousand".