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101212101111112 = 231716011759264263
BaseRepresentation
bin10111000000110101000111…
…010101010110110101001000
3111021100210010100101202222121
4113000311013111112311020
5101231224340341023422
6555132110344101024
730214222134452515
oct2700650725266510
9437323110352877
10101212101111112
112a2818a1535142
12b4276bba64774
13446234c807914
141adc99855830c
15ba7b5ba4e8c7
hex5c0d47556d48

101212101111112 has 64 divisors (see below), whose sum is σ = 201176360985600. Its totient is φ = 47572233830400.

The previous prime is 101212101111089. The next prime is 101212101111151. The reversal of 101212101111112 is 211111101212101.

It is a super-2 number, since 2×1012121011111122 (a number of 29 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, 382865493 + ... + 383129755.

It is an arithmetic number, because the mean of its divisors is an integer number (3143380640400).

Almost surely, 2101212101111112 is an apocalyptic number.

It is an amenable number.

101212101111112 is a deficient number, since it is larger than the sum of its proper divisors (99964259874488).

101212101111112 is a wasteful number, since it uses less digits than its factorization.

101212101111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267646 (or 267642 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101212101111112 its reverse (211111101212101), we get a palindrome (312323202323213).

The spelling of 101212101111112 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1601 1759 3202 3518 6404 7036 12808 14072 27217 29903 54434 59806 108868 119612 217736 239224 264263 528526 1057052 2114104 2816159 4492471 5632318 8984942 11264636 17969884 22529272 35939768 47874703 95749406 191498812 382997624 423085063 464838617 846170126 929677234 1692340252 1859354468 3384680504 3718708936 7192446071 7902256489 14384892142 15804512978 28769784284 31609025956 57539568568 63218051912 744206625817 1488413251634 2976826503268 5953653006536 12651512638889 25303025277778 50606050555556 101212101111112