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212214300121 = 730729042603
BaseRepresentation
bin1100010110100011110…
…1010011110111011001
3202021202120122102100101
43011220331103313121
511434103330100441
6241253452535401
721221603534305
oct3055075236731
9667676572311
10212214300121
1181aaa49270a
1235166181561
131701c9a6bb5
14a3b2364d05
1557c0926231
hex3168f53dd9

212214300121 has 4 divisors (see below), whose sum is σ = 212243350032. Its totient is φ = 212185250212.

The previous prime is 212214300101. The next prime is 212214300149. The reversal of 212214300121 is 121003412212.

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 212214300121 - 213 = 212214291929 is a prime.

It is a super-2 number, since 2×2122143001212 (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 (212214300101) 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, 14513995 + ... + 14528608.

It is an arithmetic number, because the mean of its divisors is an integer number (53060837508).

Almost surely, 2212214300121 is an apocalyptic number.

It is an amenable number.

212214300121 is a deficient number, since it is larger than the sum of its proper divisors (29049911).

212214300121 is an equidigital number, since it uses as much as digits as its factorization.

212214300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29049910.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212214300121 its reverse (121003412212), we get a palindrome (333217712333).

The spelling of 212214300121 in words is "two hundred twelve billion, two hundred fourteen million, three hundred thousand, one hundred twenty-one".

Divisors: 1 7307 29042603 212214300121