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212020012012101 = 32910889223804907
BaseRepresentation
bin110000001101010011000001…
…100000000101001001000101
31000210200220201011211201010020
4300031103001200011021011
5210242213441033341401
62030532352054245353
762441640355533606
oct6015230140051105
91023626634751106
10212020012012101
1161613200481027
121b942a95056859
13913c52a9a0a37
143a4db75333dad
15197a1d8ceed36
hexc0d4c1805245

212020012012101 has 16 divisors (see below), whose sum is σ = 292468253774400. Its totient is φ = 136460117725568.

The previous prime is 212020012012099. The next prime is 212020012012117. The reversal of 212020012012101 is 101210210020212.

It is a cyclic number.

It is not a de Polignac number, because 212020012012101 - 21 = 212020012012099 is a prime.

It is a super-2 number, since 2×2120200120121012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020012012201) 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, 110955111 + ... + 112849796.

It is an arithmetic number, because the mean of its divisors is an integer number (18279265860900).

Almost surely, 2212020012012101 is an apocalyptic number.

It is an amenable number.

212020012012101 is a deficient number, since it is larger than the sum of its proper divisors (80448241762299).

212020012012101 is a wasteful number, since it uses less digits than its factorization.

212020012012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223815828.

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

Adding to 212020012012101 its reverse (101210210020212), we get a palindrome (313230222032313).

The spelling of 212020012012101 in words is "two hundred twelve trillion, twenty billion, twelve million, twelve thousand, one hundred one".

Divisors: 1 3 29 87 10889 32667 315781 947343 223804907 671414721 6490342303 19471026909 2437011632323 7311034896969 70673337337367 212020012012101