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201211210012000 = 2553239331635867
BaseRepresentation
bin101101110000000000100010…
…101100101001010101100000
3222101102121022011221210002111
4231300000202230221111200
5202333121024230341000
61551535053115325104
760245013233460346
oct5560004254512540
9871377264853074
10201211210012000
1159126216539371
121a6980b7150794
13883719c152686
143798962c89996
15183de72e9ecba
hexb70022b29560

201211210012000 has 192 divisors, whose sum is σ = 497945076894720. Its totient is φ = 79905465024000.

The previous prime is 201211210011991. The next prime is 201211210012027. The reversal of 201211210012000 is 210012112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316118067 + ... + 316753933.

It is an arithmetic number, because the mean of its divisors is an integer number (2593463942160).

Almost surely, 2201211210012000 is an apocalyptic number.

201211210012000 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 201211210012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248972538447360).

201211210012000 is an abundant number, since it is smaller than the sum of its proper divisors (296733866882720).

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

201211210012000 is a wasteful number, since it uses less digits than its factorization.

201211210012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636462 (or 636444 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201211210012000 its reverse (210012112102), we get a palindrome (201421222124102).

The spelling of 201211210012000 in words is "two hundred one trillion, two hundred eleven billion, two hundred ten million, twelve thousand".