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100101101212 = 227831013471229
BaseRepresentation
bin101110100111001111…
…1011001011010011100
3100120101012212211001001
41131032133121122130
53120001340214322
6113552534000044
710142412215140
oct1351637313234
9316335784031
10100101101212
11394a8509a22
12174977a6024
13959374a548
144bb865b220
15290d05a827
hex174e7d969c

100101101212 has 96 divisors (see below), whose sum is σ = 205377016320. Its totient is φ = 41808979200.

The previous prime is 100101101203. The next prime is 100101101251. The reversal of 100101101212 is 212101101001.

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, 81448614 + ... + 81449842.

It is an arithmetic number, because the mean of its divisors is an integer number (2139343920).

Almost surely, 2100101101212 is an apocalyptic number.

It is an amenable number.

100101101212 is an abundant number, since it is smaller than the sum of its proper divisors (105275915108).

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

100101101212 is a wasteful number, since it uses less digits than its factorization.

100101101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100101101212 its reverse (212101101001), we get a palindrome (312202202213).

The spelling of 100101101212 in words is "one hundred billion, one hundred one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 83 101 166 202 332 347 404 581 694 707 1162 1229 1388 1414 2324 2429 2458 2828 4858 4916 8383 8603 9716 16766 17206 28801 33532 34412 35047 57602 58681 70094 102007 115204 117362 124129 140188 201607 204014 234724 245329 248258 403214 408028 426463 490658 496516 714049 806428 852926 868903 981316 1428098 1705852 1737806 2856196 2908901 2985241 3475612 5817802 5970482 10302707 11635604 11940964 20362307 20605414 35396429 40724614 41210828 43072763 70792858 72118949 81449228 86145526 141585716 144237898 172291052 247775003 288475796 301509341 495550006 603018682 991100012 1206037364 3575039329 7150078658 14300157316 25025275303 50050550606 100101101212