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102212210137 is a prime number
BaseRepresentation
bin101111100110001010…
…0101000110111011001
3100202211100022021001111
41133030110220313121
53133312311211022
6114542230220321
710245625310512
oct1371424506731
9322740267044
10102212210137
113a391145344
12179867b46a1
13983bc2791b
144d38b99a09
1529d3569477
hex17cc528dd9

102212210137 has 2 divisors, whose sum is σ = 102212210138. Its totient is φ = 102212210136.

The previous prime is 102212210123. The next prime is 102212210147. The reversal of 102212210137 is 731012212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67010570496 + 35201639641 = 258864^2 + 187621^2 .

It is an emirp because it is prime and its reverse (731012212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102212210137 - 215 = 102212177369 is a prime.

It is not a weakly prime, because it can be changed into another prime (102212210147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106105068 + 51106105069.

It is an arithmetic number, because the mean of its divisors is an integer number (51106105069).

Almost surely, 2102212210137 is an apocalyptic number.

It is an amenable number.

102212210137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212210137 is an equidigital number, since it uses as much as digits as its factorization.

102212210137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 102212210137 its reverse (731012212201), we get a palindrome (833224422338).

The spelling of 102212210137 in words is "one hundred two billion, two hundred twelve million, two hundred ten thousand, one hundred thirty-seven".