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12101210101122 = 2323347252708727
BaseRepresentation
bin1011000000011000100001…
…0101000101010110000010
31120211212100010201221201020
42300012020111011112002
53041231234241213442
641423115201450310
72356166160456432
oct260061025052602
946755303657636
1012101210101122
11394610469587a
121435366940996
1369a1a6b1c39c
142db9b763c2c2
1515eba84dd9ec
hexb0188545582

12101210101122 has 32 divisors (see below), whose sum is σ = 25327479555072. Its totient is φ = 3847237644624.

The previous prime is 12101210101073. The next prime is 12101210101133. The reversal of 12101210101122 is 22110101210121.

It is a happy number.

It is a super-2 number, since 2×121012101011222 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126306478 + ... + 126402249.

It is an arithmetic number, because the mean of its divisors is an integer number (791483736096).

Almost surely, 212101210101122 is an apocalyptic number.

12101210101122 is an abundant number, since it is smaller than the sum of its proper divisors (13226269453950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101210101122 is a wasteful number, since it uses less digits than its factorization.

12101210101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252709102.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101210101122 its reverse (22110101210121), we get a palindrome (34211311311243).

The spelling of 12101210101122 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 347 694 1041 2082 7981 15962 23943 47886 252708727 505417454 758126181 1516252362 5812300721 11624601442 17436902163 34873804326 87689928269 175379856538 263069784807 526139569614 2016868350187 4033736700374 6050605050561 12101210101122