210130000020000 has 720 divisors, whose sum is σ = 756232294577760. Its totient is φ = 55322707968000.

The previous prime is 210130000019869. The next prime is 210130000020037. The reversal of 210130000020000 is 20000031012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7315725639 + ... + 7315754361.

It is an arithmetic number, because the mean of its divisors is an integer number (1050322631358).

Almost surely, 2^{210130000020000} is an apocalyptic number.

210130000020000 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 210130000020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378116147288880).

210130000020000 is an abundant number, since it is smaller than the sum of its proper divisors (546102294557760).

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

210130000020000 is a wasteful number, since it uses less digits than its factorization.

210130000020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29275 (or 29249 counting only the distinct ones).

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

Adding to 210130000020000 its reverse (20000031012), we get a palindrome (210150000051012).

The spelling of 210130000020000 in words is "two hundred ten trillion, one hundred thirty billion, twenty thousand".