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212303121911 is a prime number
BaseRepresentation
bin1100010110111001000…
…0001000110111110111
3202021222202210000221022
43011232100020313313
511434244044400121
6241310344411355
721224032522046
oct3055620106767
9667882700838
10212303121911
1182045639851
123518ba76b5b
131703520577a
14a3c008655d
1557c861daab
hex316e408df7

212303121911 has 2 divisors, whose sum is σ = 212303121912. Its totient is φ = 212303121910.

The previous prime is 212303121869. The next prime is 212303121913. The reversal of 212303121911 is 119121303212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212303121911 - 26 = 212303121847 is a prime.

Together with 212303121913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303121913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151560955 + 106151560956.

It is an arithmetic number, because the mean of its divisors is an integer number (106151560956).

Almost surely, 2212303121911 is an apocalyptic number.

212303121911 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303121911 is an equidigital number, since it uses as much as digits as its factorization.

212303121911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 212303121911 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-one thousand, nine hundred eleven".