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1212033253 is a prime number
BaseRepresentation
bin100100000111110…
…0010100011100101
310010110122200001111
41020033202203211
54440240031003
6320134025021
742015053434
oct11017424345
93113580044
101212033253
11572185582
12299aa8171
13164148652
14b6d8311b
1571615e6d
hex483e28e5

1212033253 has 2 divisors, whose sum is σ = 1212033254. Its totient is φ = 1212033252.

The previous prime is 1212033211. The next prime is 1212033271. The reversal of 1212033253 is 3523302121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959636484 + 252396769 = 30978^2 + 15887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1212033253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212033653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606016626 + 606016627.

It is an arithmetic number, because the mean of its divisors is an integer number (606016627).

Almost surely, 21212033253 is an apocalyptic number.

It is an amenable number.

1212033253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212033253 is an equidigital number, since it uses as much as digits as its factorization.

1212033253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1212033253 is about 34814.2679515167. The cubic root of 1212033253 is about 1066.1987729893.

Adding to 1212033253 its reverse (3523302121), we get a palindrome (4735335374).

The spelling of 1212033253 in words is "one billion, two hundred twelve million, thirty-three thousand, two hundred fifty-three".