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12212100120201 = 3127282831133287
BaseRepresentation
bin1011000110110101100111…
…1000111011111010001001
31121020110120020212120201220
42301231121320323322021
53100040340112321301
641550054503432253
72400203140205622
oct261553170737211
947213506776656
1012212100120201
113989139170443
121452953755689
136a77998299a7
143030d6b00a49
151629e87e0936
hexb1b59e3be89

12212100120201 has 16 divisors (see below), whose sum is σ = 16411605909504. Its totient is φ = 8077001852304.

The previous prime is 12212100120119. The next prime is 12212100120203. The reversal of 12212100120201 is 10202100121221.

It is not a de Polignac number, because 12212100120201 - 226 = 12212033011337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12212100120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10209180 + ... + 11342466.

It is an arithmetic number, because the mean of its divisors is an integer number (1025725369344).

Almost surely, 212212100120201 is an apocalyptic number.

It is an amenable number.

12212100120201 is a deficient number, since it is larger than the sum of its proper divisors (4199505789303).

12212100120201 is a wasteful number, since it uses less digits than its factorization.

12212100120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161700.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212100120201 its reverse (10202100121221), we get a palindrome (22414200241422).

The spelling of 12212100120201 in words is "twelve trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 127 381 28283 84849 1133287 3399861 3591941 10775823 143927449 431782347 32052756221 96158268663 4070700040067 12212100120201