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120100212011 = 139238477847
BaseRepresentation
bin110111111011010000…
…1111100110100101011
3102110222222201220112102
41233312201330310223
53431431123241021
6131101232204015
711451123646463
oct1576641746453
9373888656472
10120100212011
1146a3049096a
121b33939960b
13b42cba3510
145b54790ba3
1531cdb9d00b
hex1bf687cd2b

120100212011 has 4 divisors (see below), whose sum is σ = 129338689872. Its totient is φ = 110861734152.

The previous prime is 120100211929. The next prime is 120100212019. The reversal of 120100212011 is 110212001021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110212001021 = 227485515423.

It is not a de Polignac number, because 120100212011 - 214 = 120100195627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100211983 and 120100212001.

It is not an unprimeable number, because it can be changed into a prime (120100212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619238911 + ... + 4619238936.

It is an arithmetic number, because the mean of its divisors is an integer number (32334672468).

Almost surely, 2120100212011 is an apocalyptic number.

120100212011 is a deficient number, since it is larger than the sum of its proper divisors (9238477861).

120100212011 is an equidigital number, since it uses as much as digits as its factorization.

120100212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238477860.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120100212011 its reverse (110212001021), we get a palindrome (230312213032).

The spelling of 120100212011 in words is "one hundred twenty billion, one hundred million, two hundred twelve thousand, eleven".

Divisors: 1 13 9238477847 120100212011