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210002122010000 = 245467973738663
BaseRepresentation
bin101111101111111011101101…
…111000100110110110010000
31000112120000011221210120212202
4233233323231320212312100
5210011133321213310000
62022345350520342332
762143103231526155
oct5757735570466620
91015500157716782
10210002122010000
1160a05444148941
121b6779999149a8
139024165c40508
1439c022a8cc22c
151942985445dd5
hexbefeede26d90

210002122010000 has 400 divisors, whose sum is σ = 522802627906944. Its totient is φ = 81665058816000.

The previous prime is 210002122009963. The next prime is 210002122010003. The reversal of 210002122010000 is 10221200012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is not an unprimeable number, because it can be changed into a prime (210002122010003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24241265669 + ... + 24241274331.

Almost surely, 2210002122010000 is an apocalyptic number.

210002122010000 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 210002122010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261401313953472).

210002122010000 is an abundant number, since it is smaller than the sum of its proper divisors (312800505896944).

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

210002122010000 is an equidigital number, since it uses as much as digits as its factorization.

210002122010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210002122010000 its reverse (10221200012), we get a palindrome (210012343210012).

The spelling of 210002122010000 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, ten thousand".