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12011202102 = 238269242093
BaseRepresentation
bin10110010111110110…
…00110011000110110
31011000002012021202010
423023323012120312
5144044331431402
65303505425050
7603435350634
oct131373063066
934002167663
1012011202102
115104012a09
1223b263b186
1311955875a3
1481d2d6354
154a4734a6c
hex2cbec6636

12011202102 has 16 divisors (see below), whose sum is σ = 24025408560. Its totient is φ = 4003233312.

The previous prime is 12011202101. The next prime is 12011202167. The reversal of 12011202102 is 20120211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71433 + ... + 170660.

It is an arithmetic number, because the mean of its divisors is an integer number (1501588035).

Almost surely, 212011202102 is an apocalyptic number.

12011202102 is an abundant number, since it is smaller than the sum of its proper divisors (12014206458).

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

12011202102 is a wasteful number, since it uses less digits than its factorization.

12011202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250367.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12011202102 its reverse (20120211021), we get a palindrome (32131413123).

The spelling of 12011202102 in words is "twelve billion, eleven million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 8269 16538 24807 49614 242093 484186 726279 1452558 2001867017 4003734034 6005601051 12011202102