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124212342144461 is a prime number
BaseRepresentation
bin11100001111100001110000…
…100001111011110111001101
3121021210120202200200022200112
4130033201300201323313031
5112240043334042110321
61120102210124005405
735110021426506614
oct3417416041736715
9537716680608615
10124212342144461
113663a181a2786a
1211b21226090865
13544023454181c
142295ca36d287b
15e560ac38ba5b
hex70f87087bdcd

124212342144461 has 2 divisors, whose sum is σ = 124212342144462. Its totient is φ = 124212342144460.

The previous prime is 124212342144413. The next prime is 124212342144493. The reversal of 124212342144461 is 164441243212421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74414000586025 + 49798341558436 = 8626355^2 + 7056794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124212342144461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124212342144661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62106171072230 + 62106171072231.

It is an arithmetic number, because the mean of its divisors is an integer number (62106171072231).

Almost surely, 2124212342144461 is an apocalyptic number.

It is an amenable number.

124212342144461 is a deficient number, since it is larger than the sum of its proper divisors (1).

124212342144461 is an equidigital number, since it uses as much as digits as its factorization.

124212342144461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 41.

Adding to 124212342144461 its reverse (164441243212421), we get a palindrome (288653585356882).

The spelling of 124212342144461 in words is "one hundred twenty-four trillion, two hundred twelve billion, three hundred forty-two million, one hundred forty-four thousand, four hundred sixty-one".