102000321000 has 192 divisors, whose sum is σ = 350606318400. Its totient is φ = 26738928000.

The previous prime is 102000320999. The next prime is 102000321013. The reversal of 102000321000 is 123000201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 434955 + ... + 627045.

It is an arithmetic number, because the mean of its divisors is an integer number (1826074575).

Almost surely, 2^102000321000 is an apocalyptic number.

102000321000 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 102000321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175303159200).

102000321000 is an abundant number, since it is smaller than the sum of its proper divisors (248605997400).

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

102000321000 is a wasteful number, since it uses less digits than its factorization.

102000321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192177 (or 192160 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 102000321000 its reverse (123000201), we get a palindrome (102123321201).

The spelling of 102000321000 in words is "one hundred two billion, three hundred twenty-one thousand".