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212123301233201 = 937147226350083
BaseRepresentation
bin110000001110110011001110…
…000001001100001000110001
31000211001210022120201210110122
4300032303032001030020301
5210300412010103430301
62031052033240540025
762452255102452161
oct6016631601141061
91024053276653418
10212123301233201
1161652a94559676
121b95ab00481615
1391491aba8a547
143a54b731665a1
15197cc31bad81b
hexc0ecce04c231

212123301233201 has 4 divisors (see below), whose sum is σ = 212123528520432. Its totient is φ = 212123073945972.

The previous prime is 212123301233087. The next prime is 212123301233257. The reversal of 212123301233201 is 102332103321212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212123301233201 - 222 = 212123297038897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212123301223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112237895 + ... + 114112188.

It is an arithmetic number, because the mean of its divisors is an integer number (53030882130108).

Almost surely, 2212123301233201 is an apocalyptic number.

It is an amenable number.

212123301233201 is a deficient number, since it is larger than the sum of its proper divisors (227287231).

212123301233201 is an equidigital number, since it uses as much as digits as its factorization.

212123301233201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227287230.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212123301233201 its reverse (102332103321212), we get a palindrome (314455404554413).

The spelling of 212123301233201 in words is "two hundred twelve trillion, one hundred twenty-three billion, three hundred one million, two hundred thirty-three thousand, two hundred one".

Divisors: 1 937147 226350083 212123301233201