210020012000 has 96 divisors (see below), whose sum is σ = 516168604224. Its totient is φ = 83983680000.

The previous prime is 210020011961. The next prime is 210020012003. The reversal of 210020012000 is 210020012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020012003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21207050 + ... + 21216950.

It is an arithmetic number, because the mean of its divisors is an integer number (5376756294).

Almost surely, 2^210020012000 is an apocalyptic number.

210020012000 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 210020012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258084302112).

210020012000 is an abundant number, since it is smaller than the sum of its proper divisors (306148592224).

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

210020012000 is an equidigital number, since it uses as much as digits as its factorization.

210020012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15229 (or 15211 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210020012000 its reverse (210020012), we get a palindrome (210230032012).

210020012000 divided by its reverse (210020012) gives a cube (1000 = 10³).

The spelling of 210020012000 in words is "two hundred ten billion, twenty million, twelve thousand".