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12122313214 = 2111997275921
BaseRepresentation
bin10110100101000101…
…11101000111111110
31011021211021022112111
423102202331013332
5144311303010324
65322515124234
7606254651014
oct132242750776
934254238474
1012122313214
115160803380
1224238a367a
1311b25bb5cb
1482dd7a8b4
154ae381794
hex2d28bd1fe

12122313214 has 16 divisors (see below), whose sum is σ = 19846517616. Its totient is φ = 5507363200.

The previous prime is 12122313173. The next prime is 12122313221. The reversal of 12122313214 is 41231322121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94027 + ... + 181894.

It is an arithmetic number, because the mean of its divisors is an integer number (1240407351).

Almost surely, 212122313214 is an apocalyptic number.

12122313214 is a deficient number, since it is larger than the sum of its proper divisors (7724204402).

12122313214 is a wasteful number, since it uses less digits than its factorization.

12122313214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277931.

The product of its digits is 576, while the sum is 22.

Adding to 12122313214 its reverse (41231322121), we get a palindrome (53353635335).

The spelling of 12122313214 in words is "twelve billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 11 22 1997 3994 21967 43934 275921 551842 3035131 6070262 551014237 1102028474 6061156607 12122313214