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212315011 is a prime number
BaseRepresentation
bin11001010011110…
…10101110000011
3112210111201102221
430221322232003
5413323040021
633022351511
75155435126
oct1451725603
9483451387
10212315011
11a9934457
125b12b597
1334ca97ac
14202aa3bd
151398d241
hexca7ab83

212315011 has 2 divisors, whose sum is σ = 212315012. Its totient is φ = 212315010.

The previous prime is 212314997. The next prime is 212315039. The reversal of 212315011 is 110513212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212315011 - 211 = 212312963 is a prime.

It is not a weakly prime, because it can be changed into another prime (212315041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106157505 + 106157506.

It is an arithmetic number, because the mean of its divisors is an integer number (106157506).

Almost surely, 2212315011 is an apocalyptic number.

212315011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212315011 is an equidigital number, since it uses as much as digits as its factorization.

212315011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 212315011 is about 14571.0332852547. The cubic root of 212315011 is about 596.5683839172.

Adding to 212315011 its reverse (110513212), we get a palindrome (322828223).

The spelling of 212315011 in words is "two hundred twelve million, three hundred fifteen thousand, eleven".