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2012331222487 is a prime number
BaseRepresentation
bin11101010010001000010…
…010011010010111010111
321010101011211012212011001
4131102020102122113113
5230432223243104422
64140241401524131
7265246305111025
oct35221022322727
97111154185131
102012331222487
11706474571853
122860057a3647
131179ba209221
146d57c48b715
153752a878227
hex1d48849a5d7

2012331222487 has 2 divisors, whose sum is σ = 2012331222488. Its totient is φ = 2012331222486.

The previous prime is 2012331222427. The next prime is 2012331222521. The reversal of 2012331222487 is 7842221332102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012331222487 - 27 = 2012331222359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012331222427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006165611243 + 1006165611244.

It is an arithmetic number, because the mean of its divisors is an integer number (1006165611244).

Almost surely, 22012331222487 is an apocalyptic number.

2012331222487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012331222487 is an equidigital number, since it uses as much as digits as its factorization.

2012331222487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 2012331222487 its reverse (7842221332102), we get a palindrome (9854552554589).

The spelling of 2012331222487 in words is "two trillion, twelve billion, three hundred thirty-one million, two hundred twenty-two thousand, four hundred eighty-seven".