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12102111067 is a prime number
BaseRepresentation
bin10110100010101011…
…11000111101011011
31011020102020221101211
423101111320331123
5144241120023232
65320514123551
7605621150434
oct132125707533
934212227354
1012102111067
115150365192
122418b805b7
1311ab367187
1482b3dc48b
154ac6e0a47
hex2d1578f5b

12102111067 has 2 divisors, whose sum is σ = 12102111068. Its totient is φ = 12102111066.

The previous prime is 12102111023. The next prime is 12102111083. The reversal of 12102111067 is 76011120121.

It is a strong prime.

It is an emirp because it is prime and its reverse (76011120121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12102111067 - 219 = 12101586779 is a prime.

It is a super-2 number, since 2×121021110672 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102111467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051055533 + 6051055534.

It is an arithmetic number, because the mean of its divisors is an integer number (6051055534).

Almost surely, 212102111067 is an apocalyptic number.

12102111067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102111067 is an equidigital number, since it uses as much as digits as its factorization.

12102111067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 12102111067 its reverse (76011120121), we get a palindrome (88113231188).

The spelling of 12102111067 in words is "twelve billion, one hundred two million, one hundred eleven thousand, sixty-seven".