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212212221212011 = 1934902232242949
BaseRepresentation
bin110000010000000110000010…
…000011111111010101101011
31000211101021211120100202001011
4300100012002003333111223
5210303341112112241021
62031200540520404351
762461553446012666
oct6020060203772553
91024337746322034
10212212221212011
1161687774570869
121b9741976166b7
1391546acc05717
143a591aa8466dd
1519801d82edde1
hexc101820ff56b

212212221212011 has 8 divisors (see below), whose sum is σ = 213312296635200. Its totient is φ = 211112151255552.

The previous prime is 212212221211997. The next prime is 212212221212021. The reversal of 212212221212011 is 110212122212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212212221212011 - 213 = 212212221203819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212221212021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93491565 + ... + 95734513.

It is an arithmetic number, because the mean of its divisors is an integer number (26664037079400).

Almost surely, 2212212221212011 is an apocalyptic number.

212212221212011 is a deficient number, since it is larger than the sum of its proper divisors (1100075423189).

212212221212011 is a wasteful number, since it uses less digits than its factorization.

212212221212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733365.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212212221212011 its reverse (110212122212212), we get a palindrome (322424343424223).

The spelling of 212212221212011 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, eleven".

Divisors: 1 193 490223 2242949 94613039 432889157 1099545187627 212212221212011