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111212000873 is a prime number
BaseRepresentation
bin110011110010011000…
…0000111011001101001
3101122001120000000000022
41213210300013121221
53310230233011443
6123031243050225
711014636260461
oct1474460073151
9348046000008
10111212000873
114318a303326
1219678810975
13a64463389c
145550158ba1
152d5d703e68
hex19e4c07669

111212000873 has 2 divisors, whose sum is σ = 111212000874. Its totient is φ = 111212000872.

The previous prime is 111212000863. The next prime is 111212000941. The reversal of 111212000873 is 378000212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58950383209 + 52261617664 = 242797^2 + 228608^2 .

It is a cyclic number.

It is not a de Polignac number, because 111212000873 - 210 = 111211999849 is a prime.

It is not a weakly prime, because it can be changed into another prime (111212000863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606000436 + 55606000437.

It is an arithmetic number, because the mean of its divisors is an integer number (55606000437).

Almost surely, 2111212000873 is an apocalyptic number.

It is an amenable number.

111212000873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212000873 is an equidigital number, since it uses as much as digits as its factorization.

111212000873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 111212000873 its reverse (378000212111), we get a palindrome (489212212984).

The spelling of 111212000873 in words is "one hundred eleven billion, two hundred twelve million, eight hundred seventy-three", and thus it is an aban number.