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1212434341 is a prime number
BaseRepresentation
bin100100001000100…
…0100011110100101
310010111102001020121
41020101010132211
54440340344331
6320150401541
742021343666
oct11021043645
93114361217
101212434341
11572429958
1229a0602b1
13164259091
14b704936d
1571694c11
hex484447a5

1212434341 has 2 divisors, whose sum is σ = 1212434342. Its totient is φ = 1212434340.

The previous prime is 1212434323. The next prime is 1212434347. The reversal of 1212434341 is 1434342121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1146093316 + 66341025 = 33854^2 + 8145^2 .

It is an emirp because it is prime and its reverse (1434342121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212434341 - 221 = 1210337189 is a prime.

It is a super-2 number, since 2×12124343412 = 2939994062472208562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212434347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606217170 + 606217171.

It is an arithmetic number, because the mean of its divisors is an integer number (606217171).

Almost surely, 21212434341 is an apocalyptic number.

It is an amenable number.

1212434341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212434341 is an equidigital number, since it uses as much as digits as its factorization.

1212434341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 1212434341 is about 34820.0278719015. The cubic root of 1212434341 is about 1066.3163694247.

Adding to 1212434341 its reverse (1434342121), we get a palindrome (2646776462).

The spelling of 1212434341 in words is "one billion, two hundred twelve million, four hundred thirty-four thousand, three hundred forty-one".