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12011200103 = 74736508207
BaseRepresentation
bin10110010111110110…
…00101111001100111
31011000002012012000002
423023323011321213
5144044331400403
65303505411515
7603435342050
oct131373057147
934002165002
1012011200103
115104011461
1223b2639b9b
1311955866c6
1481d2d5727
154a4734188
hex2cbec5e67

12011200103 has 8 divisors (see below), whose sum is σ = 14019151872. Its totient is φ = 10076264856.

The previous prime is 12011200099. The next prime is 12011200127. The reversal of 12011200103 is 30100211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011200103 - 22 = 12011200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011200153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18253775 + ... + 18254432.

It is an arithmetic number, because the mean of its divisors is an integer number (1752393984).

Almost surely, 212011200103 is an apocalyptic number.

12011200103 is a deficient number, since it is larger than the sum of its proper divisors (2007951769).

12011200103 is an equidigital number, since it uses as much as digits as its factorization.

12011200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36508261.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12011200103 its reverse (30100211021), we get a palindrome (42111411124).

The spelling of 12011200103 in words is "twelve billion, eleven million, two hundred thousand, one hundred three".

Divisors: 1 7 47 329 36508207 255557449 1715885729 12011200103