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12100404213 = 332319485353
BaseRepresentation
bin10110100010011110…
…11000001111110101
31011020022001020001000
423101033120033311
5144240200413323
65320413353513
7605600511252
oct132117301765
934208036030
1012100404213
11514a3a9867
122418498899
1311aabba2c1
1482b0b6429
154ac4a4e43
hex2d13d83f5

12100404213 has 16 divisors (see below), whose sum is σ = 18705939840. Its totient is φ = 7716199392.

The previous prime is 12100404191. The next prime is 12100404227. The reversal of 12100404213 is 31240400121.

It is not a de Polignac number, because 12100404213 - 28 = 12100403957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100404233) 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 15 ways as a sum of consecutive naturals, for example, 9742056 + ... + 9743297.

It is an arithmetic number, because the mean of its divisors is an integer number (1169121240).

Almost surely, 212100404213 is an apocalyptic number.

It is an amenable number.

12100404213 is a deficient number, since it is larger than the sum of its proper divisors (6605535627).

12100404213 is a wasteful number, since it uses less digits than its factorization.

12100404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485385 (or 19485379 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12100404213 its reverse (31240400121), we get a palindrome (43340804334).

The spelling of 12100404213 in words is "twelve billion, one hundred million, four hundred four thousand, two hundred thirteen".

Divisors: 1 3 9 23 27 69 207 621 19485353 58456059 175368177 448163119 526104531 1344489357 4033468071 12100404213