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12020202101011 = 132711001766989
BaseRepresentation
bin1010111011101010101111…
…1000000101100100010011
31120120010020112220011111211
42232322223320011210103
53033414333214213021
641322000555120551
72350300546024126
oct256725370054423
946503215804454
1012020202101011
1139148147a1355
121421719443157
13692666c08c00
142d7ad0a723bd
1515ca167ad3e1
hexaeeabe05913

12020202101011 has 12 divisors (see below), whose sum is σ = 13199281860240. Its totient is φ = 10939295508960.

The previous prime is 12020202100987. The next prime is 12020202101023. The reversal of 12020202101011 is 11010120202021.

It is not a de Polignac number, because 12020202101011 - 243 = 3224109078803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020202100982 and 12020202101000.

It is not an unprimeable number, because it can be changed into a prime (12020202101071) 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 11 ways as a sum of consecutive naturals, for example, 500871496 + ... + 500895493.

It is an arithmetic number, because the mean of its divisors is an integer number (1099940155020).

Almost surely, 212020202101011 is an apocalyptic number.

12020202101011 is a deficient number, since it is larger than the sum of its proper divisors (1179079759229).

12020202101011 is a wasteful number, since it uses less digits than its factorization.

12020202101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001767086 (or 1001767073 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020202101011 its reverse (11010120202021), we get a palindrome (23030322303032).

The spelling of 12020202101011 in words is "twelve trillion, twenty billion, two hundred two million, one hundred one thousand, eleven".

Divisors: 1 13 71 169 923 11999 1001766989 13022970857 71125456219 169298621141 924630930847 12020202101011