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20002012122012 = 22381110132028907
BaseRepresentation
bin1001000110001000101001…
…10100111100101110011100
32121211011200121121220011020
410203010110310330232130
510110203110100401022
6110312444132524140
74133045335541544
oct443042464745634
977734617556136
1020002012122012
116411895434098
1222b0635480650
13b2124911378b
144d2161590324
1524a47184035c
hex123114d3cb9c

20002012122012 has 48 divisors (see below), whose sum is σ = 46775061820032. Its totient is φ = 6652539305280.

The previous prime is 20002012121983. The next prime is 20002012122023. The reversal of 20002012122012 is 21022121020002.

It is a super-2 number, since 2×200020121220122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002012121982 and 20002012122000.

It is a congruent number.

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, 8844063 + ... + 10872969.

It is an arithmetic number, because the mean of its divisors is an integer number (974480454584).

Almost surely, 220002012122012 is an apocalyptic number.

It is an amenable number.

20002012122012 is an abundant number, since it is smaller than the sum of its proper divisors (26773049698020).

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

20002012122012 is a wasteful number, since it uses less digits than its factorization.

20002012122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030738 (or 2030736 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002012122012 its reverse (21022121020002), we get a palindrome (41024133142014).

The spelling of 20002012122012 in words is "twenty trillion, two billion, twelve million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 811 1013 1622 2026 2433 3039 3244 4052 4866 6078 9732 12156 821543 1643086 2028907 2464629 3286172 4057814 4929258 6086721 8115628 9858516 12173442 24346884 1645443577 2055282791 3290887154 4110565582 4936330731 6165848373 6581774308 8221131164 9872661462 12331696746 19745322924 24663393492 1666834343501 3333668687002 5000503030503 6667337374004 10001006061006 20002012122012