210002010120000 has 840 divisors, whose sum is σ = 872459878420416. Its totient is φ = 47283996672000.

The previous prime is 210002010119999. The next prime is 210002010120131. The reversal of 210002010120000 is 21010200012.

It is a tau number, because it is divible by the number of its divisors (840).

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 168218104 + ... + 169461896.

Almost surely, 2^{210002010120000} is an apocalyptic number.

210002010120000 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 210002010120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436229939210208).

210002010120000 is an abundant number, since it is smaller than the sum of its proper divisors (662457868300416).

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

210002010120000 is a wasteful number, since it uses less digits than its factorization.

210002010120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243905 (or 1243877 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 210002010120000 its reverse (21010200012), we get a palindrome (210023020320012).

The spelling of 210002010120000 in words is "two hundred ten trillion, two billion, ten million, one hundred twenty thousand".