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126702212213 is a prime number
BaseRepresentation
bin111011000000000001…
…0100101010001110101
3110010001002120021020102
41312000002211101311
54033441231242323
6134112312043445
712103541014463
oct1660002452165
9403032507212
10126702212213
1149809106385
1220680393585
13bc428b8405
1461bd507833
15346859b328
hex1d800a5475

126702212213 has 2 divisors, whose sum is σ = 126702212214. Its totient is φ = 126702212212.

The previous prime is 126702212207. The next prime is 126702212261. The reversal of 126702212213 is 312212207621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117715551409 + 8986660804 = 343097^2 + 94798^2 .

It is a cyclic number.

It is not a de Polignac number, because 126702212213 - 26 = 126702212149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126702212293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63351106106 + 63351106107.

It is an arithmetic number, because the mean of its divisors is an integer number (63351106107).

Almost surely, 2126702212213 is an apocalyptic number.

It is an amenable number.

126702212213 is a deficient number, since it is larger than the sum of its proper divisors (1).

126702212213 is an equidigital number, since it uses as much as digits as its factorization.

126702212213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 126702212213 its reverse (312212207621), we get a palindrome (438914419834).

The spelling of 126702212213 in words is "one hundred twenty-six billion, seven hundred two million, two hundred twelve thousand, two hundred thirteen".