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12103221413 is a prime number
BaseRepresentation
bin10110100010110100…
…01000000010100101
31011020111100100111202
423101122020002211
5144241411041123
65320554012245
7605633453543
oct132132100245
934214310452
1012103221413
115150a53428
122419417085
1311ab66569a
1482b60ad93
154ac85ea28
hex2d16880a5

12103221413 has 2 divisors, whose sum is σ = 12103221414. Its totient is φ = 12103221412.

The previous prime is 12103221401. The next prime is 12103221467. The reversal of 12103221413 is 31412230121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7648726849 + 4454494564 = 87457^2 + 66742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12103221413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103221913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051610706 + 6051610707.

It is an arithmetic number, because the mean of its divisors is an integer number (6051610707).

Almost surely, 212103221413 is an apocalyptic number.

It is an amenable number.

12103221413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103221413 is an equidigital number, since it uses as much as digits as its factorization.

12103221413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12103221413 its reverse (31412230121), we get a palindrome (43515451534).

The spelling of 12103221413 in words is "twelve billion, one hundred three million, two hundred twenty-one thousand, four hundred thirteen".