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12021120122986 = 213572963806947
BaseRepresentation
bin1010111011101110001010…
…0110000100000001101010
31120120012121112022111220201
42232323202212010001222
53033423223222413421
641322232031342414
72350332364053052
oct256734246040152
946505545274821
1012021120122986
113915145a128a7
121421934981a0a
13692782172590
142d7b7a960562
1515ca6c199b91
hexaeee298406a

12021120122986 has 16 divisors (see below), whose sum is σ = 19418790462624. Its totient is φ = 5548192728624.

The previous prime is 12021120122951. The next prime is 12021120122993. The reversal of 12021120122986 is 68922102112021.

It is a super-2 number, since 2×120211201229862 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14493565 + ... + 15300511.

It is an arithmetic number, because the mean of its divisors is an integer number (1213674403914).

Almost surely, 212021120122986 is an apocalyptic number.

12021120122986 is a deficient number, since it is larger than the sum of its proper divisors (7397670339638).

12021120122986 is a wasteful number, since it uses less digits than its factorization.

12021120122986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379925.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 12021120122986 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, nine hundred eighty-six".

Divisors: 1 2 13 26 572963 806947 1145926 1613894 7448519 10490311 14897038 20980622 462350773961 924701547922 6010560061493 12021120122986