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12210252115213 is a prime number
BaseRepresentation
bin1011000110101110101110…
…1111010110110100001101
31121020021210110112012110201
42301223223233112310031
53100023044020141323
641545151250333501
72400106300343155
oct261535357266415
947207713465421
1012210252115213
11398837aaa8999
12145251888a291
136a75639cc609
14302d9d4cd765
1516293b4538ad
hexb1aebbd6d0d

12210252115213 has 2 divisors, whose sum is σ = 12210252115214. Its totient is φ = 12210252115212.

The previous prime is 12210252115169. The next prime is 12210252115219. The reversal of 12210252115213 is 31251125201221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6836771137284 + 5373480977929 = 2614722^2 + 2318077^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210252115213 - 229 = 12209715244301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210252115219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105126057606 + 6105126057607.

It is an arithmetic number, because the mean of its divisors is an integer number (6105126057607).

Almost surely, 212210252115213 is an apocalyptic number.

It is an amenable number.

12210252115213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210252115213 is an equidigital number, since it uses as much as digits as its factorization.

12210252115213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 12210252115213 its reverse (31251125201221), we get a palindrome (43461377316434).

The spelling of 12210252115213 in words is "twelve trillion, two hundred ten billion, two hundred fifty-two million, one hundred fifteen thousand, two hundred thirteen".