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12120001101101 = 61198688542641
BaseRepresentation
bin1011000001011110100001…
…0111000011110100101101
31120220122211201022122201102
42300113220113003310231
53042033230240213401
641435503542052445
72360432632362065
oct260275027036455
946818751278642
1012120001101101
113953077721223
121438b2ba1a125
1369bbacba119a
142dc87b1303a5
1516040804256b
hexb05e85c3d2d

12120001101101 has 4 divisors (see below), whose sum is σ = 12318689643804. Its totient is φ = 11921312558400.

The previous prime is 12120001101041. The next prime is 12120001101119. The reversal of 12120001101101 is 10110110002121.

12120001101101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2855440938025 + 9264560163076 = 1689805^2 + 3043774^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120001101101 - 26 = 12120001101037 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 (12120001101161) 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, 99344271260 + ... + 99344271381.

It is an arithmetic number, because the mean of its divisors is an integer number (3079672410951).

Almost surely, 212120001101101 is an apocalyptic number.

It is an amenable number.

12120001101101 is a deficient number, since it is larger than the sum of its proper divisors (198688542703).

12120001101101 is an equidigital number, since it uses as much as digits as its factorization.

12120001101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198688542702.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12120001101101 its reverse (10110110002121), we get a palindrome (22230111103222).

The spelling of 12120001101101 in words is "twelve trillion, one hundred twenty billion, one million, one hundred one thousand, one hundred one".

Divisors: 1 61 198688542641 12120001101101