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12102220202 = 2171929646003
BaseRepresentation
bin10110100010101100…
…10011100110101010
31011020102110111002212
423101112103212222
5144241132021302
65320520325122
7605622113552
oct132126234652
934212414085
1012102220202
11515042a186
1224190137a2
1311ab3a4a57
1482b42a162
154ac713052
hex2d15939aa

12102220202 has 32 divisors (see below), whose sum is σ = 20930529600. Its totient is φ = 5209360128.

The previous prime is 12102220177. The next prime is 12102220213. The reversal of 12102220202 is 20202220121.

12102220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304268 + ... + 341735.

It is an arithmetic number, because the mean of its divisors is an integer number (654079050).

Almost surely, 212102220202 is an apocalyptic number.

12102220202 is a deficient number, since it is larger than the sum of its proper divisors (8828309398).

12102220202 is a wasteful number, since it uses less digits than its factorization.

12102220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646070.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12102220202 its reverse (20202220121), we get a palindrome (32304440323).

The spelling of 12102220202 in words is "twelve billion, one hundred two million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 17 19 29 34 38 58 323 493 551 646 986 1102 9367 18734 646003 1292006 10982051 12274057 18734087 21964102 24548114 37468174 208658969 318479479 355947653 417317938 636958958 711895306 6051110101 12102220202