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12012102110212 = 2217395419181919
BaseRepresentation
bin1010111011001100100100…
…0101000100110000000100
31120112100100001100000000121
42232303021011010300010
53033301241120011322
641314141124151324
72346563042160451
oct256631105046004
946470301300017
1012012102110212
113911338539386
121420038838544
13691975a56549
142d7562dba828
1515c6e0610ec7
hexaecc9144c04

12012102110212 has 24 divisors (see below), whose sum is σ = 21143026195200. Its totient is φ = 5971238593056.

The previous prime is 12012102110189. The next prime is 12012102110219. The reversal of 12012102110212 is 21201120121021.

It is not an unprimeable number, because it can be changed into a prime (12012102110219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65938989 + ... + 66120907.

It is an arithmetic number, because the mean of its divisors is an integer number (880959424800).

Almost surely, 212012102110212 is an apocalyptic number.

It is an amenable number.

12012102110212 is a deficient number, since it is larger than the sum of its proper divisors (9130924084988).

12012102110212 is a wasteful number, since it uses less digits than its factorization.

12012102110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277515 (or 277513 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012102110212 its reverse (21201120121021), we get a palindrome (33213222231233).

The spelling of 12012102110212 in words is "twelve trillion, twelve billion, one hundred two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 173 346 692 95419 181919 190838 363838 381676 727676 16507487 31471987 33014974 62943974 66029948 125887948 17358529061 34717058122 69434116244 3003025527553 6006051055106 12012102110212