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20200212221249 is a prime number
BaseRepresentation
bin1001001011111001110100…
…11110010100110101000001
32122112010021112002010222102
410211330322132110311001
510121430013312034444
6110543503244520145
74153263042563504
oct445747236246501
978463245063872
1020200212221249
1164889531a91a5
122322b2a250055
13b36b44578ac8
144db9a45c313b
152506c1c7a84e
hex125f3a794d41

20200212221249 has 2 divisors, whose sum is σ = 20200212221250. Its totient is φ = 20200212221248.

The previous prime is 20200212221177. The next prime is 20200212221269. The reversal of 20200212221249 is 94212221200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13598688769600 + 6601523451649 = 3687640^2 + 2569343^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200212221249 - 212 = 20200212217153 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200212221269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100106110624 + 10100106110625.

It is an arithmetic number, because the mean of its divisors is an integer number (10100106110625).

Almost surely, 220200212221249 is an apocalyptic number.

It is an amenable number.

20200212221249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200212221249 is an equidigital number, since it uses as much as digits as its factorization.

20200212221249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20200212221249 in words is "twenty trillion, two hundred billion, two hundred twelve million, two hundred twenty-one thousand, two hundred forty-nine".