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12020213311113 = 3721515411000969
BaseRepresentation
bin1010111011101010110010…
…0010110110011010001001
31120120010021022222200212210
42232322230202312122021
53033414344101423423
641322002035255333
72350301043223500
oct256725442663211
946503238880783
1012020213311113
1139148200586a7
12142172114a549
136926693324c7
142d7ad234d837
1515ca17774b93
hexaeeac8b6689

12020213311113 has 48 divisors (see below), whose sum is σ = 18801772045440. Its totient is φ = 6810586272000.

The previous prime is 12020213311103. The next prime is 12020213311121. The reversal of 12020213311113 is 31111331202021.

It is not a de Polignac number, because 12020213311113 - 221 = 12020211213961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12020213311113.

It is not an unprimeable number, because it can be changed into a prime (12020213311103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11508093 + ... + 12509061.

It is an arithmetic number, because the mean of its divisors is an integer number (391703584280).

Almost surely, 212020213311113 is an apocalyptic number.

It is an amenable number.

12020213311113 is a deficient number, since it is larger than the sum of its proper divisors (6781558734327).

12020213311113 is a wasteful number, since it uses less digits than its factorization.

12020213311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001678 (or 1001671 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12020213311113 its reverse (31111331202021), we get a palindrome (43131544513134).

The spelling of 12020213311113 in words is "twelve trillion, twenty billion, two hundred thirteen million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 3 7 21 49 147 151 453 541 1057 1623 3171 3787 7399 11361 22197 26509 79527 81691 245073 571837 1000969 1715511 3002907 4002859 7006783 12008577 21020349 49047481 147142443 151146319 453438957 541524229 1058024233 1624572687 3174072699 3790669603 7406169631 11372008809 22218508893 26534687221 79604061663 81770158579 245310475737 572391110053 1717173330159 4006737770371 12020213311113