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212210220010000 = 2454593471036537
BaseRepresentation
bin110000010000000100001010…
…110010000000101000010000
31000211101002200002202010222011
4300100010022302000220100
5210303323012310310000
62031200010151552304
762461453036043542
oct6020041262005020
91024332602663864
10212210220010000
1161686937983103
121b97391938b694
13915445142a214
143a5905ab57692
15198011c7a02ba
hexc1010ac80a10

212210220010000 has 200 divisors, whose sum is σ = 523996577295840. Its totient is φ = 83204817792000.

The previous prime is 212210220009937. The next prime is 212210220010013. The reversal of 212210220010000 is 10022012212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 204211732 + ... + 205248268.

Almost surely, 2212210220010000 is an apocalyptic number.

212210220010000 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 212210220010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261998288647920).

212210220010000 is an abundant number, since it is smaller than the sum of its proper divisors (311786357285840).

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

212210220010000 is a wasteful number, since it uses less digits than its factorization.

212210220010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036971 (or 1036950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212210220010000 its reverse (10022012212), we get a palindrome (212220242022212).

The spelling of 212210220010000 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty million, ten thousand".