143321020000 has 120 divisors (see below), whose sum is σ = 356087228112. Its totient is φ = 56760000000.

The previous prime is 143321019983. The next prime is 143321020019. The reversal of 143321020000 is 20123341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 19 ways as a sum of consecutive naturals, for example, 1984525 + ... + 2055475.

Almost surely, 2^143321020000 is an apocalyptic number.

143321020000 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 143321020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178043614056).

143321020000 is an abundant number, since it is smaller than the sum of its proper divisors (212766208112).

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

143321020000 is an equidigital number, since it uses as much as digits as its factorization.

143321020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71082 (or 71059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 143321020000 its reverse (20123341), we get a palindrome (143341143341).

The spelling of 143321020000 in words is "one hundred forty-three billion, three hundred twenty-one million, twenty thousand".