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212012222202001 = 13176721536650431
BaseRepresentation
bin110000001101001011110001…
…001100010100000010010001
31000210200011121021221100120001
4300031023301030110002101
5210242102012340431001
62030525023103450001
762441243336331154
oct6015136114240221
91023604537840501
10212012222202001
116160a973316441
121b9414802b6901
13913b888b72050
143a4d636941c9b
151979dceec3001
hexc0d2f1314091

212012222202001 has 32 divisors (see below), whose sum is σ = 245473723127808. Its totient is φ = 181358183761920.

The previous prime is 212012222201929. The next prime is 212012222202043. The reversal of 212012222202001 is 100202222210212.

It is a cyclic number.

It is not a de Polignac number, because 212012222202001 - 29 = 212012222201489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212012222202001.

It is not an unprimeable number, because it can be changed into a prime (212012222202401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28554256 + ... + 35204686.

It is an arithmetic number, because the mean of its divisors is an integer number (7671053847744).

Almost surely, 2212012222202001 is an apocalyptic number.

It is an amenable number.

212012222202001 is a deficient number, since it is larger than the sum of its proper divisors (33461500925807).

212012222202001 is a wasteful number, since it uses less digits than its factorization.

212012222202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652681.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212012222202001 its reverse (100202222210212), we get a palindrome (312214444412213).

The spelling of 212012222202001 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-two million, two hundred two thousand, one".

Divisors: 1 13 17 67 221 871 1139 2153 14807 27989 36601 144251 475813 1875263 2452267 6650431 31879471 86455603 113057327 445578877 1469745251 5792525401 7574840909 14318377943 98472931817 186138913259 243412425031 959331322181 3164361525403 12471307188353 16308632477077 212012222202001