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12015312266651 is a prime number
BaseRepresentation
bin1010111011011000100001…
…1010110110010110011011
31120112122121202210211210112
42232312020122312112123
53033324324420013101
641315431441034535
72350035432101231
oct256661032662633
946478552724715
1012015312266651
113912735599431
121420793925a4b
13692067b3cbb5
142d778948a951
1515c82c3686bb
hexaed886b659b

12015312266651 has 2 divisors, whose sum is σ = 12015312266652. Its totient is φ = 12015312266650.

The previous prime is 12015312266521. The next prime is 12015312266723. The reversal of 12015312266651 is 15666221351021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12015312266651 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12015312266599 and 12015312266608.

It is not a weakly prime, because it can be changed into another prime (12015312266051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007656133325 + 6007656133326.

It is an arithmetic number, because the mean of its divisors is an integer number (6007656133326).

Almost surely, 212015312266651 is an apocalyptic number.

12015312266651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015312266651 is an equidigital number, since it uses as much as digits as its factorization.

12015312266651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 12015312266651 in words is "twelve trillion, fifteen billion, three hundred twelve million, two hundred sixty-six thousand, six hundred fifty-one".