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1210220330317 is a prime number
BaseRepresentation
bin10001100111000110110…
…000001011110101001101
311021200210100001200110221
4101213012300023311031
5124312012401032232
62323544553431341
7153302250035305
oct21470660136515
94250710050427
101210220330317
1142728490a579
1217667040b551
138a17ab2a03b
1442809a42605
15217320bb897
hex119c6c0bd4d

1210220330317 has 2 divisors, whose sum is σ = 1210220330318. Its totient is φ = 1210220330316.

The previous prime is 1210220330299. The next prime is 1210220330323. The reversal of 1210220330317 is 7130330220121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162388015881 + 47832314436 = 1078141^2 + 218706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210220330317 - 239 = 660464516429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210220330291 and 1210220330300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210220330327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605110165158 + 605110165159.

It is an arithmetic number, because the mean of its divisors is an integer number (605110165159).

Almost surely, 21210220330317 is an apocalyptic number.

It is an amenable number.

1210220330317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210220330317 is an equidigital number, since it uses as much as digits as its factorization.

1210220330317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 1210220330317 its reverse (7130330220121), we get a palindrome (8340550550438).

The spelling of 1210220330317 in words is "one trillion, two hundred ten billion, two hundred twenty million, three hundred thirty thousand, three hundred seventeen".