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120210012011 = 256219469169
BaseRepresentation
bin110111111110100010…
…0110011011101101011
3102111021122100022211002
41233331010303131223
53432142230341021
6131120153425215
711453626146215
oct1577504633553
9374248308732
10120210012011
1146a87466271
121b36a10b20b
13b44986882b
145b651b35b5
1531d863b50b
hex1bfd13376b

120210012011 has 4 divisors (see below), whose sum is σ = 120210737400. Its totient is φ = 120209286624.

The previous prime is 120210011981. The next prime is 120210012019. The reversal of 120210012011 is 110210012021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120210012011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210011983 and 120210012001.

It is not an unprimeable number, because it can be changed into a prime (120210012019) 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, 21635 + ... + 490803.

It is an arithmetic number, because the mean of its divisors is an integer number (30052684350).

Almost surely, 2120210012011 is an apocalyptic number.

120210012011 is a deficient number, since it is larger than the sum of its proper divisors (725389).

120210012011 is an equidigital number, since it uses as much as digits as its factorization.

120210012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725388.

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

Adding to 120210012011 its reverse (110210012021), we get a palindrome (230420024032).

The spelling of 120210012011 in words is "one hundred twenty billion, two hundred ten million, twelve thousand, eleven".

Divisors: 1 256219 469169 120210012011