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210122001201 = 3731322768051
BaseRepresentation
bin1100001110110000111…
…1110100101100110001
3202002100202121121210210
43003230033310230301
511420312213014301
6240310111414333
721116006353410
oct3035417645461
9662322547723
10210122001201
1181126434552
12348815243a9
1316a783843b8
14a254521477
1556ebdd0ad6
hex30ec3f4b31

210122001201 has 16 divisors (see below), whose sum is σ = 330514485248. Its totient is φ = 116196498000.

The previous prime is 210122001191. The next prime is 210122001203. The reversal of 210122001201 is 102100221012.

It is not a de Polignac number, because 210122001201 - 25 = 210122001169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122001203) 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, 161383375 + ... + 161384676.

It is an arithmetic number, because the mean of its divisors is an integer number (20657155328).

Almost surely, 2210122001201 is an apocalyptic number.

210122001201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210122001201 is a deficient number, since it is larger than the sum of its proper divisors (120392484047).

210122001201 is a wasteful number, since it uses less digits than its factorization.

210122001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322768092.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210122001201 its reverse (102100221012), we get a palindrome (312222222213).

The spelling of 210122001201 in words is "two hundred ten billion, one hundred twenty-two million, one thousand, two hundred one".

Divisors: 1 3 7 21 31 93 217 651 322768051 968304153 2259376357 6778129071 10005809581 30017428743 70040667067 210122001201