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12100112011 = 132957314771
BaseRepresentation
bin10110100010011100…
…10000111010001011
31011020021111101012201
423101032100322023
5144240112041021
65320403221031
7605565153331
oct132116207213
934207441181
1012100112011
11514a21a279
122418377777
1311aab172c0
1482b03bb51
154ac448591
hex2d1390e8b

12100112011 has 8 divisors (see below), whose sum is σ = 13035338064. Its totient is φ = 11165521440.

The previous prime is 12100111973. The next prime is 12100112027. The reversal of 12100112011 is 11021100121.

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

It is a cyclic number.

It is not a de Polignac number, because 12100112011 - 213 = 12100103819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100112411) 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, 118945 + ... + 195826.

It is an arithmetic number, because the mean of its divisors is an integer number (1629417258).

Almost surely, 212100112011 is an apocalyptic number.

12100112011 is a deficient number, since it is larger than the sum of its proper divisors (935226053).

12100112011 is a wasteful number, since it uses less digits than its factorization.

12100112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317741.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12100112011 its reverse (11021100121), we get a palindrome (23121212132).

The spelling of 12100112011 in words is "twelve billion, one hundred million, one hundred twelve thousand, eleven".

Divisors: 1 13 2957 38441 314771 4092023 930777847 12100112011