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2212112120279 is a prime number
BaseRepresentation
bin100000001100001100001…
…010000011100111010111
321211110211220012222220212
4200030030022003213113
5242220401200322104
64412121423520035
7315551125531055
oct40141412034727
97743756188825
102212112120279
11783173693246
122b887ba5901b
131307a8013509
14790d14171d5
153c81e96d36e
hex2030c2839d7

2212112120279 has 2 divisors, whose sum is σ = 2212112120280. Its totient is φ = 2212112120278.

The previous prime is 2212112120213. The next prime is 2212112120311. The reversal of 2212112120279 is 9720212112122.

It is an a-pointer prime, because the next prime (2212112120311) can be obtained adding 2212112120279 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212112120279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212112120879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106056060139 + 1106056060140.

It is an arithmetic number, because the mean of its divisors is an integer number (1106056060140).

Almost surely, 22212112120279 is an apocalyptic number.

2212112120279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212112120279 is an equidigital number, since it uses as much as digits as its factorization.

2212112120279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 2212112120279 in words is "two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty thousand, two hundred seventy-nine".