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212021012201 = 8091142322943
BaseRepresentation
bin1100010101110101101…
…1111110011011101001
3202021021002221101011112
43011131123332123221
511433204334342301
6241222350040105
721214035603545
oct3053533763351
9667232841145
10212021012201
1181a10374629
12351114a9035
1316cbb92ca4b
14a39480ca25
1557ad9959bb
hex315d6fe6e9

212021012201 has 8 divisors (see below), whose sum is σ = 212310927360. Its totient is φ = 211731167392.

The previous prime is 212021012183. The next prime is 212021012219. The reversal of 212021012201 is 102210120212.

It is an interprime number because it is at equal distance from previous prime (212021012183) and next prime (212021012219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021012201 - 210 = 212021011177 is a prime.

It is a super-2 number, since 2×2120210122012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021012701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9229736 + ... + 9252678.

It is an arithmetic number, because the mean of its divisors is an integer number (26538865920).

Almost surely, 2212021012201 is an apocalyptic number.

It is an amenable number.

212021012201 is a deficient number, since it is larger than the sum of its proper divisors (289915159).

212021012201 is a wasteful number, since it uses less digits than its factorization.

212021012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35175.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021012201 its reverse (102210120212), we get a palindrome (314231132413).

The spelling of 212021012201 in words is "two hundred twelve billion, twenty-one million, twelve thousand, two hundred one".

Divisors: 1 809 11423 22943 9241207 18560887 262077889 212021012201