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120212011211 = 268944705099
BaseRepresentation
bin110111111110100110…
…0011011100011001011
3102111021210002220012112
41233331030123203023
53432143233324321
6131120304332535
711453652143615
oct1577514334313
9374253086175
10120212011211
1146a886012a6
121b36a91414b
13b44a0b87a6
145b65573db5
1531d88d3a5b
hex1bfd31b8cb

120212011211 has 4 divisors (see below), whose sum is σ = 120256719000. Its totient is φ = 120167303424.

The previous prime is 120212011177. The next prime is 120212011247. The reversal of 120212011211 is 112110212021.

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

It is a cyclic number.

It is not a de Polignac number, because 120212011211 - 214 = 120211994827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120212019211) 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, 22349861 + ... + 22355238.

It is an arithmetic number, because the mean of its divisors is an integer number (30064179750).

Almost surely, 2120212011211 is an apocalyptic number.

120212011211 is a deficient number, since it is larger than the sum of its proper divisors (44707789).

120212011211 is an equidigital number, since it uses as much as digits as its factorization.

120212011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44707788.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120212011211 its reverse (112110212021), we get a palindrome (232322223232).

The spelling of 120212011211 in words is "one hundred twenty billion, two hundred twelve million, eleven thousand, two hundred eleven".

Divisors: 1 2689 44705099 120212011211