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12102020121202 = 2112084592638849
BaseRepresentation
bin1011000000011011100010…
…0111000100001001110010
31120211221102120221020100221
42300012320213010021302
53041234414122334302
641423331415203254
72356225224515134
oct260067047041162
946757376836327
1012102020121202
11394648a94a960
12143555207652a
1369a2a589cccb
142dba53055054
1515ec04694937
hexb01b89c4272

12102020121202 has 16 divisors (see below), whose sum is σ = 19803408156000. Its totient is φ = 5500889763840.

The previous prime is 12102020121199. The next prime is 12102020121203. The reversal of 12102020121202 is 20212102020121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12102020121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3266674 + ... + 5905522.

It is an arithmetic number, because the mean of its divisors is an integer number (1237713009750).

Almost surely, 212102020121202 is an apocalyptic number.

12102020121202 is a deficient number, since it is larger than the sum of its proper divisors (7701388034798).

12102020121202 is a wasteful number, since it uses less digits than its factorization.

12102020121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847321.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102020121202 its reverse (20212102020121), we get a palindrome (32314122141323).

It can be divided in two parts, 12102020121 and 202, that multiplied together give a palindrome (2444608064442).

The spelling of 12102020121202 in words is "twelve trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 11 22 208459 416918 2293049 2638849 4586098 5277698 29027339 58054678 550091823691 1100183647382 6051010060601 12102020121202