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32101013221212 = 223131313734211279
BaseRepresentation
bin1110100110010000110010…
…11111010110111101011100
311012122211022210201220220110
413103020121133112331130
513201420333341034322
6152135000224050020
76522136014200415
oct723103137267534
9135584283656813
1032101013221212
11a256a66101041
123725484463910
1314bb16039c020
147cd9a968a80c
153aa04ae34c0c
hex1d32197d6f5c

32101013221212 has 96 divisors (see below), whose sum is σ = 81497768647680. Its totient is φ = 9775555395840.

The previous prime is 32101013221201. The next prime is 32101013221231. The reversal of 32101013221212 is 21212231010123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5516989 + ... + 9728267.

It is an arithmetic number, because the mean of its divisors is an integer number (848935090080).

Almost surely, 232101013221212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32101013221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40748884323840).

32101013221212 is an abundant number, since it is smaller than the sum of its proper divisors (49396755426468).

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

32101013221212 is a wasteful number, since it uses less digits than its factorization.

32101013221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211803 (or 4211801 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 32101013221212 its reverse (21212231010123), we get a palindrome (53313244231335).

The spelling of 32101013221212 in words is "thirty-two trillion, one hundred one billion, thirteen million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 131 156 262 373 393 524 746 786 1119 1492 1572 1703 2238 3406 4476 4849 5109 6812 9698 10218 14547 19396 20436 29094 48863 58188 97726 146589 195452 293178 586356 635219 1270438 1905657 2540876 3811314 4211279 7622628 8422558 12633837 16845116 25267674 50535348 54746627 109493254 164239881 218986508 328479762 551677549 656959524 1103355098 1570807067 1655032647 2206710196 3141614134 3310065294 4712421201 6283228268 6620130588 7171808137 9424842402 14343616274 18849684804 20420491871 21515424411 28687232548 40840983742 43030848822 61261475613 81681967484 86061697644 122522951226 205775725777 245045902452 411551451554 617327177331 823102903108 1234654354662 2469308709324 2675084435101 5350168870202 8025253305303 10700337740404 16050506610606 32101013221212