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12001103101 = 13923161777
BaseRepresentation
bin10110010110101001…
…00100110011111101
31010222101012012112001
423023110210303331
5144034240244401
65302505142301
7603253456531
oct131324446375
933871165461
1012001103101
1150a9345429
1223ab18a991
13119345c950
1481bc27bc1
154a38dc601
hex2cb524cfd

12001103101 has 4 divisors (see below), whose sum is σ = 12924264892. Its totient is φ = 11077941312.

The previous prime is 12001103099. The next prime is 12001103111. The reversal of 12001103101 is 10130110021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10130110021 = 22514500271.

It can be written as a sum of positive squares in 2 ways, for example, as 7178495076 + 4822608025 = 84726^2 + 69445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001103101 - 21 = 12001103099 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 (12001103111) 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 3 ways as a sum of consecutive naturals, for example, 461580876 + ... + 461580901.

It is an arithmetic number, because the mean of its divisors is an integer number (3231066223).

Almost surely, 212001103101 is an apocalyptic number.

It is an amenable number.

12001103101 is a deficient number, since it is larger than the sum of its proper divisors (923161791).

12001103101 is an equidigital number, since it uses as much as digits as its factorization.

12001103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923161790.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 12001103101 its reverse (10130110021), we get a palindrome (22131213122).

The spelling of 12001103101 in words is "twelve billion, one million, one hundred three thousand, one hundred one".

Divisors: 1 13 923161777 12001103101