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212020121011201 = 1039204061714159
BaseRepresentation
bin110000001101010011000111…
…111111111000010000000001
31000210200220222202221102202221
4300031103013333320100001
5210242214201434324301
62030532410550411041
762441643151156336
oct6015230777702001
91023626882842687
10212020121011201
1161613256a59728
121b942b05660a81
13913c547445649
143a4db859c898d
15197a1e3680da1
hexc0d4c7ff8401

212020121011201 has 4 divisors (see below), whose sum is σ = 212224182726400. Its totient is φ = 211816059296004.

The previous prime is 212020121011199. The next prime is 212020121011267. The reversal of 212020121011201 is 102110121020212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212020121011201 - 21 = 212020121011199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020121012201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102030856041 + ... + 102030858118.

It is an arithmetic number, because the mean of its divisors is an integer number (53056045681600).

Almost surely, 2212020121011201 is an apocalyptic number.

It is an amenable number.

212020121011201 is a deficient number, since it is larger than the sum of its proper divisors (204061715199).

212020121011201 is a wasteful number, since it uses less digits than its factorization.

212020121011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204061715198.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212020121011201 its reverse (102110121020212), we get a palindrome (314130242031413).

The spelling of 212020121011201 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-one million, eleven thousand, two hundred one".

Divisors: 1 1039 204061714159 212020121011201