210100012130320 has 320 divisors, whose sum is σ = 586518897888000. Its totient is φ = 69145761742848.

The previous prime is 210100012130287. The next prime is 210100012130341. The reversal of 210100012130320 is 23031210001012.

It is a super-2 number, since 2×210100012130320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210100012130294 and 210100012130303.

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, 997241151 + ... + 997451809.

It is an arithmetic number, because the mean of its divisors is an integer number (1832871555900).

Almost surely, 2^{210100012130320} is an apocalyptic number.

210100012130320 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 210100012130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293259448944000).

210100012130320 is an abundant number, since it is smaller than the sum of its proper divisors (376418885757680).

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

210100012130320 is a wasteful number, since it uses less digits than its factorization.

210100012130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213690 (or 213684 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210100012130320 its reverse (23031210001012), we get a palindrome (233131222131332).

The spelling of 210100012130320 in words is "two hundred ten trillion, one hundred billion, twelve million, one hundred thirty thousand, three hundred twenty".