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12101101213 is a prime number
BaseRepresentation
bin10110100010100100…
…00010011010011101
31011020100100122010211
423101102002122131
5144240340214323
65320440332421
7605606443315
oct132122023235
934210318124
1012101101213
11514a8354a3
122418774111
1311ab0a2626
1482b218445
154ac59170d
hex2d148269d

12101101213 has 2 divisors, whose sum is σ = 12101101214. Its totient is φ = 12101101212.

The previous prime is 12101101189. The next prime is 12101101219. The reversal of 12101101213 is 31210110121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6221738884 + 5879362329 = 78878^2 + 76677^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101101213 - 213 = 12101093021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101101193 and 12101101202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101101219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050550606 + 6050550607.

It is an arithmetic number, because the mean of its divisors is an integer number (6050550607).

Almost surely, 212101101213 is an apocalyptic number.

It is an amenable number.

12101101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101101213 is an equidigital number, since it uses as much as digits as its factorization.

12101101213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12101101213 its reverse (31210110121), we get a palindrome (43311211334).

It can be divided in two parts, 1210110121 and 3, that multiplied together give a palindrome (3630330363).

The spelling of 12101101213 in words is "twelve billion, one hundred one million, one hundred one thousand, two hundred thirteen".