210123102000 has 320 divisors, whose sum is σ = 777112547328. Its totient is φ = 47848320000.

The previous prime is 210123101983. The next prime is 210123102019. The reversal of 210123102000 is 201321012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11372770 + ... + 11391230.

Almost surely, 2^210123102000 is an apocalyptic number.

210123102000 is a gapful number since it is divisible by the number (20) 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 210123102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388556273664).

210123102000 is an abundant number, since it is smaller than the sum of its proper divisors (566989445328).

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

210123102000 is a wasteful number, since it uses less digits than its factorization.

210123102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18765 (or 18749 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 210123102000 its reverse (201321012), we get a palindrome (210324423012).

The spelling of 210123102000 in words is "two hundred ten billion, one hundred twenty-three million, one hundred two thousand".