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12100232099 = 19636854321
BaseRepresentation
bin10110100010011101…
…01110001110100011
31011020021201110221102
423101032232032203
5144240124411344
65320405545015
7605566163414
oct132116561643
934207643842
1012100232099
11514a2a151a
12241841516b
1311aab59b67
1482b06d80b
154ac46de4e
hex2d13ae3a3

12100232099 has 4 divisors (see below), whose sum is σ = 12737086440. Its totient is φ = 11463377760.

The previous prime is 12100232057. The next prime is 12100232129. The reversal of 12100232099 is 99023200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100232099 - 224 = 12083454883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100232399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318427142 + ... + 318427179.

It is an arithmetic number, because the mean of its divisors is an integer number (3184271610).

Almost surely, 212100232099 is an apocalyptic number.

12100232099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12100232099 is a deficient number, since it is larger than the sum of its proper divisors (636854341).

12100232099 is an equidigital number, since it uses as much as digits as its factorization.

12100232099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636854340.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 12100232099 in words is "twelve billion, one hundred million, two hundred thirty-two thousand, ninety-nine".

Divisors: 1 19 636854321 12100232099