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12111002112001 = 134321665477839
BaseRepresentation
bin1011000000111100111111…
…1110101001000000000001
31120212210121120010122101211
42300033033332221000001
53041411313020041001
641431414554330121
72356663631261212
oct260171776510001
946783546118354
1012111002112001
11394a279a60551
12143723a129941
1369b0a76b6070
142dc265cdd409
1516007ceb5351
hexb03cffa9001

12111002112001 has 8 divisors (see below), whose sum is σ = 13345934349440. Its totient is φ = 10919400830352.

The previous prime is 12111002111987. The next prime is 12111002112019. The reversal of 12111002112001 is 10021120011121.

It is a happy number.

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 12111002112001 - 29 = 12111002111489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111002112061) 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, 10832738361 + ... + 10832739478.

It is an arithmetic number, because the mean of its divisors is an integer number (1668241793680).

Almost surely, 212111002112001 is an apocalyptic number.

It is an amenable number.

12111002112001 is a deficient number, since it is larger than the sum of its proper divisors (1234932237439).

12111002112001 is a wasteful number, since it uses less digits than its factorization.

12111002112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21665477895.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12111002112001 its reverse (10021120011121), we get a palindrome (22132122123122).

The spelling of 12111002112001 in words is "twelve trillion, one hundred eleven billion, two million, one hundred twelve thousand, one".

Divisors: 1 13 43 559 21665477839 281651211907 931615547077 12111002112001