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1212210201253 is a prime number
BaseRepresentation
bin10001101000111101010…
…110111100001010100101
311021212221000100121020111
4101220331112330022211
5124330101302420003
62324514235333021
7153402461462302
oct21507526741245
94255830317214
101212210201253
11428106069007
12176b268b1171
138a407168b6c
14429580220a9
15217ebb2ce6d
hex11a3d5bc2a5

1212210201253 has 2 divisors, whose sum is σ = 1212210201254. Its totient is φ = 1212210201252.

The previous prime is 1212210201203. The next prime is 1212210201277. The reversal of 1212210201253 is 3521020122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181834242884 + 30375958369 = 1087122^2 + 174287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212210201253 - 29 = 1212210200741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210201203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105100626 + 606105100627.

It is an arithmetic number, because the mean of its divisors is an integer number (606105100627).

Almost surely, 21212210201253 is an apocalyptic number.

It is an amenable number.

1212210201253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210201253 is an equidigital number, since it uses as much as digits as its factorization.

1212210201253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1212210201253 its reverse (3521020122121), we get a palindrome (4733230323374).

The spelling of 1212210201253 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, two hundred fifty-three".