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1212301212313 is a prime number
BaseRepresentation
bin10001101001000010110…
…010000111101010011001
311021220011100121102221111
4101221002302013222121
5124330243102243223
62324531250140321
7153404645165542
oct21510262075231
94256140542844
101212301212313
1142815247aa64
12176b512816a1
138a41cc83069
14429661534c9
1521804b0930d
hex11a42c87a99

1212301212313 has 2 divisors, whose sum is σ = 1212301212314. Its totient is φ = 1212301212312.

The previous prime is 1212301212263. The next prime is 1212301212329. The reversal of 1212301212313 is 3132121032121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207455938649 + 4845273664 = 1098843^2 + 69608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212301212313 - 217 = 1212301081241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212301212113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606150606156 + 606150606157.

It is an arithmetic number, because the mean of its divisors is an integer number (606150606157).

Almost surely, 21212301212313 is an apocalyptic number.

It is an amenable number.

1212301212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212301212313 is an equidigital number, since it uses as much as digits as its factorization.

1212301212313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1212301212313 its reverse (3132121032121), we get a palindrome (4344422244434).

The spelling of 1212301212313 in words is "one trillion, two hundred twelve billion, three hundred one million, two hundred twelve thousand, three hundred thirteen".