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12020110101021 = 3112821254915823
BaseRepresentation
bin1010111011101010011001…
…1001001000101000011101
31120120010000010210002020210
42232322212121020220131
53033414141141213041
641321543511203033
72350265351031441
oct256724631105035
946503003702223
1012020110101021
113914777874400
1214216b2676479
13692650b36849
142d7ac2764821
1515ca0d689016
hexaeea6648a1d

12020110101021 has 48 divisors (see below), whose sum is σ = 17645741164800. Its totient is φ = 7272727862400.

The previous prime is 12020110100959. The next prime is 12020110101143. The reversal of 12020110101021 is 12010101102021.

12020110101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12020110101021 - 210 = 12020110099997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020110100988 and 12020110101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020110101521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759652716 + ... + 759668538.

It is an arithmetic number, because the mean of its divisors is an integer number (367619607600).

Almost surely, 212020110101021 is an apocalyptic number.

12020110101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020110101021 is a deficient number, since it is larger than the sum of its proper divisors (5625631063779).

12020110101021 is a wasteful number, since it uses less digits than its factorization.

12020110101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218 (or 19207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12020110101021 its reverse (12010101102021), we get a palindrome (24030211203042).

The spelling of 12020110101021 in words is "twelve trillion, twenty billion, one hundred ten million, one hundred one thousand, twenty-one".

Divisors: 1 3 11 33 121 363 821 2463 2549 7647 9031 15823 27093 28039 47469 84117 99341 174053 298023 308429 522159 925287 1914583 2092729 5743749 6278187 12990683 23020019 38972049 40332827 69060057 120998481 142897513 253220209 428692539 443661097 759660627 1330983291 1571872643 4715617929 4880272067 14640816201 33113250967 99339752901 364245760637 1092737281911 4006703367007 12020110101021