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12110211011211 = 337431253134571
BaseRepresentation
bin1011000000111010000011…
…0100110101001010001011
31120212201120102112120010120
42300032200310311022023
53041403203004324321
641431204254314323
72356635214111005
oct260164064651213
946781512476116
1012110211011211
113949a03448845
1214370591b89a3
1369acac82a9a1
142dc1ccc0d375
151600337e9ec6
hexb03a0d3528b

12110211011211 has 16 divisors (see below), whose sum is σ = 16621828535808. Its totient is φ = 7837046287200.

The previous prime is 12110211011209. The next prime is 12110211011267. The reversal of 12110211011211 is 11211011201121.

It is not a de Polignac number, because 12110211011211 - 21 = 12110211011209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12110211011291) 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, 126519445 + ... + 126615126.

It is an arithmetic number, because the mean of its divisors is an integer number (1038864283488).

Almost surely, 212110211011211 is an apocalyptic number.

12110211011211 is a deficient number, since it is larger than the sum of its proper divisors (4511617524597).

12110211011211 is a wasteful number, since it uses less digits than its factorization.

12110211011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253135042.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12110211011211 its reverse (11211011201121), we get a palindrome (23321222212332).

The spelling of 12110211011211 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, eleven thousand, two hundred eleven".

Divisors: 1 3 37 111 431 1293 15947 47841 253134571 759403713 9365979127 28097937381 109101000101 327303000303 4036737003737 12110211011211