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212010010121312 = 25131606973171431
BaseRepresentation
bin110000001101001001101101…
…010101111001010001100000
31000210122221220010112000022122
4300031021231111321101200
5210242033000042340222
62030524015403123412
762441134456055264
oct6015115525712140
91023587803460278
10212010010121312
1161609a38695487
121b940b63513568
13913b5c57a0a70
143a4d4a6c3c0a4
151979d00bbba42
hexc0d26d579460

212010010121312 has 48 divisors (see below), whose sum is σ = 449504931550752. Its totient is φ = 97850134133760.

The previous prime is 212010010121311. The next prime is 212010010121321. The reversal of 212010010121312 is 213121010010212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010010121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65264237 + ... + 68435667.

It is an arithmetic number, because the mean of its divisors is an integer number (9364686073974).

Almost surely, 2212010010121312 is an apocalyptic number.

It is an amenable number.

212010010121312 is an abundant number, since it is smaller than the sum of its proper divisors (237494921429440).

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

212010010121312 is a wasteful number, since it uses less digits than its factorization.

212010010121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332151 (or 3332143 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212010010121312 its reverse (213121010010212), we get a palindrome (425131020131524).

The spelling of 212010010121312 in words is "two hundred twelve trillion, ten billion, ten million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 160697 321394 642788 1285576 2089061 2571152 3171431 4178122 5142304 6342862 8356244 12685724 16712488 25371448 33424976 41228603 50742896 66849952 82457206 101485792 164914412 329828824 659657648 1319315296 509639447407 1019278894814 2038557789628 4077115579256 6625312816291 8154231158512 13250625632582 16308462317024 26501251265164 53002502530328 106005005060656 212010010121312