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2012220231293 is a prime number
BaseRepresentation
bin11101010010000001101…
…011000000111001111101
321010100220002100220212002
4131102001223000321331
5230432011334400133
64140222354552045
7265243456520366
oct35220153007175
97110802326762
102012220231293
11706417953498
12285b94598625
131179a021796c
146d56b838b6d
1537520c51ce8
hex1d481ac0e7d

2012220231293 has 2 divisors, whose sum is σ = 2012220231294. Its totient is φ = 2012220231292.

The previous prime is 2012220231251. The next prime is 2012220231323. The reversal of 2012220231293 is 3921320222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400904225604 + 611316005689 = 1183598^2 + 781867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012220231293 - 28 = 2012220231037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012220233293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006110115646 + 1006110115647.

It is an arithmetic number, because the mean of its divisors is an integer number (1006110115647).

Almost surely, 22012220231293 is an apocalyptic number.

It is an amenable number.

2012220231293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012220231293 is an equidigital number, since it uses as much as digits as its factorization.

2012220231293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 2012220231293 its reverse (3921320222102), we get a palindrome (5933540453395).

The spelling of 2012220231293 in words is "two trillion, twelve billion, two hundred twenty million, two hundred thirty-one thousand, two hundred ninety-three".