210885120000 has 910 divisors, whose sum is σ = 797100300942. Its totient is φ = 55738368000.

The previous prime is 210885119993. The next prime is 210885120013. The reversal of 210885120000 is 21588012.

It can be written as a sum of positive squares in 5 ways, for example, as 149824733184 + 61060386816 = 387072^2 + 247104^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 1866239944 + ... + 1866240056.

Almost surely, 2^210885120000 is an apocalyptic number.

210885120000 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 210885120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398550150471).

210885120000 is an abundant number, since it is smaller than the sum of its proper divisors (586215180942).

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

210885120000 is an frugal number, since it uses more digits than its factorization.

210885120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The spelling of 210885120000 in words is "two hundred ten billion, eight hundred eighty-five million, one hundred twenty thousand".