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212012110201121 = 21110911693543997
BaseRepresentation
bin110000001101001011101010…
…100001000100000100100001
31000210200011022111012010020022
4300031023222201010010201
5210242101300202413441
62030525004023123225
762441240506334036
oct6015135241040441
91023604274163208
10212012110201121
116160a91607852a
121b94144a8a3515
13913b86b8b9039
143a4d625b0938d
151979dc524c84b
hexc0d2ea844121

212012110201121 has 16 divisors (see below), whose sum is σ = 213338485808448. Its totient is φ = 210688998004800.

The previous prime is 212012110201079. The next prime is 212012110201301. The reversal of 212012110201121 is 121102011210212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212012110201121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012110201121.

It is not an unprimeable number, because it can be changed into a prime (212012113201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389458295 + ... + 390002291.

It is an arithmetic number, because the mean of its divisors is an integer number (13333655363028).

Almost surely, 2212012110201121 is an apocalyptic number.

It is an amenable number.

212012110201121 is a deficient number, since it is larger than the sum of its proper divisors (1326375607327).

212012110201121 is a wasteful number, since it uses less digits than its factorization.

212012110201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546992.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212012110201121 its reverse (121102011210212), we get a palindrome (333114121411333).

The spelling of 212012110201121 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 211 1091 1693 230201 357223 543997 1847063 114783367 389730293 593500727 920986921 125228653397 194328240331 1004796730811 212012110201121