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1212112012093 is a prime number
BaseRepresentation
bin10001101000110111100…
…000011000001100111101
311021212200011121002000221
4101220313200120030331
5124324401133341333
62324500411021341
7153400160051443
oct21506740301475
94255604532027
101212112012093
114280656a4044
12176ab9a3a851
138a3bca0a678
1442948d82b93
15217e31d4d2d
hex11a3781833d

1212112012093 has 2 divisors, whose sum is σ = 1212112012094. Its totient is φ = 1212112012092.

The previous prime is 1212112012091. The next prime is 1212112012123. The reversal of 1212112012093 is 3902102112121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973227629529 + 238884382564 = 986523^2 + 488758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212112012093 - 21 = 1212112012091 is a prime.

Together with 1212112012091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212112012091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606056006046 + 606056006047.

It is an arithmetic number, because the mean of its divisors is an integer number (606056006047).

Almost surely, 21212112012093 is an apocalyptic number.

It is an amenable number.

1212112012093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212112012093 is an equidigital number, since it uses as much as digits as its factorization.

1212112012093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1212112012093 in words is "one trillion, two hundred twelve billion, one hundred twelve million, twelve thousand, ninety-three".