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201212110211 = 71710116741169
BaseRepresentation
bin1011101101100100101…
…1010010010110000011
3201020100211002021010012
42323121023102112003
511244040300011321
6232234025455135
720352136501010
oct2733113222603
9636324067105
10201212110211
1178373a99582
1232bb56414ab
1315c88493858
149a4b084707
155379aa305b
hex2ed92d2583

201212110211 has 16 divisors (see below), whose sum is σ = 245894304960. Its totient is φ = 160715212800.

The previous prime is 201212110207. The next prime is 201212110249. The reversal of 201212110211 is 112011212102.

201212110211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201212110211 - 22 = 201212110207 is a prime.

It is a super-2 number, since 2×2012121102112 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201212110261) 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 15 ways as a sum of consecutive naturals, for example, 8358566 + ... + 8382603.

It is an arithmetic number, because the mean of its divisors is an integer number (15368394060).

Almost surely, 2201212110211 is an apocalyptic number.

201212110211 is a deficient number, since it is larger than the sum of its proper divisors (44682194749).

201212110211 is a wasteful number, since it uses less digits than its factorization.

201212110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16741294.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201212110211 its reverse (112011212102), we get a palindrome (313223322313).

The spelling of 201212110211 in words is "two hundred one billion, two hundred twelve million, one hundred ten thousand, two hundred eleven".

Divisors: 1 7 17 101 119 707 1717 12019 16741169 117188183 284599873 1690858069 1992199111 11836006483 28744587173 201212110211