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212122210201 = 11106318140957
BaseRepresentation
bin1100010110001101111…
…0000000111110011001
3202021112011100202201121
43011203132000332121
511433411241211301
6241240403045241
721216405015466
oct3054336007631
9667464322647
10212122210201
1181a62504140
123513b370821
13170068a2915
14a3a403266d
1557b77d53a1
hex3163780f99

212122210201 has 8 divisors (see below), whose sum is σ = 231623751744. Its totient is φ = 192656952720.

The previous prime is 212122210187. The next prime is 212122210219. The reversal of 212122210201 is 102012221212.

It is a happy number.

212122210201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212122210201 - 27 = 212122210073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122219201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9058786 + ... + 9082171.

It is an arithmetic number, because the mean of its divisors is an integer number (28952968968).

Almost surely, 2212122210201 is an apocalyptic number.

It is an amenable number.

212122210201 is a deficient number, since it is larger than the sum of its proper divisors (19501541543).

212122210201 is a wasteful number, since it uses less digits than its factorization.

212122210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142031.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212122210201 its reverse (102012221212), we get a palindrome (314134431413).

The spelling of 212122210201 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 11 1063 11693 18140957 199550527 19283837291 212122210201