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12011403461 is a prime number
BaseRepresentation
bin10110010111110111…
…10111100011000101
31011000002120111221212
423023323313203011
5144044404402321
65303514021205
7603440146661
oct131373674305
934002514855
1012011403461
115104140222
1223b2717805
131195628135
1481d3498a1
154a477455b
hex2cbef78c5

12011403461 has 2 divisors, whose sum is σ = 12011403462. Its totient is φ = 12011403460.

The previous prime is 12011403379. The next prime is 12011403463. The reversal of 12011403461 is 16430411021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10832854561 + 1178548900 = 104081^2 + 34330^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011403461 - 210 = 12011402437 is a prime.

Together with 12011403463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011403463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005701730 + 6005701731.

It is an arithmetic number, because the mean of its divisors is an integer number (6005701731).

Almost surely, 212011403461 is an apocalyptic number.

It is an amenable number.

12011403461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011403461 is an equidigital number, since it uses as much as digits as its factorization.

12011403461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12011403461 its reverse (16430411021), we get a palindrome (28441814482).

The spelling of 12011403461 in words is "twelve billion, eleven million, four hundred three thousand, four hundred sixty-one".