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32130123111212 = 22721761158080231
BaseRepresentation
bin1110100111000111000001…
…00100110001101100101100
311012202121110112010112220112
413103203200210301230230
513202404443004024322
6152200212542035152
76524216255161400
oct723434044615454
9135677415115815
1032130123111212
11a268343958275
12372b049278ab8
1314c0b1c2211c9
147d116b7d1100
153aaba18375e2
hex1d38e0931b2c

32130123111212 has 72 divisors (see below), whose sum is σ = 70390598025888. Its totient is φ = 12747589747200.

The previous prime is 32130123111197. The next prime is 32130123111283. The reversal of 32130123111212 is 21211132103123.

It is a happy number.

It is a super-2 number, since 2×321301231112122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78836864 + ... + 79243367.

It is an arithmetic number, because the mean of its divisors is an integer number (977647194804).

Almost surely, 232130123111212 is an apocalyptic number.

It is an amenable number.

32130123111212 is an abundant number, since it is smaller than the sum of its proper divisors (38260474914676).

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

32130123111212 is a wasteful number, since it uses less digits than its factorization.

32130123111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158080327 (or 158080318 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 32130123111212 its reverse (21211132103123), we get a palindrome (53341255214335).

The spelling of 32130123111212 in words is "thirty-two trillion, one hundred thirty billion, one hundred twenty-three million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 49 61 68 98 119 122 196 238 244 427 476 833 854 1037 1666 1708 2074 2989 3332 4148 5978 7259 11956 14518 29036 50813 101626 203252 158080231 316160462 632320924 1106561617 2213123234 2687363927 4426246468 5374727854 7745931319 9642894091 10749455708 15491862638 18811547489 19285788182 30983725276 37623094978 38571576364 67500258637 75246189956 131680832423 135000517274 163929199547 263361664846 270001034548 327858399094 472501810459 526723329692 655716798188 945003620918 1147504396829 1890007241836 2295008793658 4590017587316 8032530777803 16065061555606 32130123111212