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12994292352121 is a prime number
BaseRepresentation
bin1011110100010111100000…
…1011100000010001111001
31201000020112120112222022121
42331011320023200101321
53200344302320231441
643345255005521241
72510543451400513
oct275057013402171
951006476488277
1012994292352121
11415a9372aa433
12155a46a273221
13733483340392
1432ccd9d98bb3
1517802854bdd1
hexbd1782e0479

12994292352121 has 2 divisors, whose sum is σ = 12994292352122. Its totient is φ = 12994292352120.

The previous prime is 12994292352113. The next prime is 12994292352131. The reversal of 12994292352121 is 12125329249921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8748219992121 + 4246072360000 = 2957739^2 + 2060600^2 .

It is a cyclic number.

It is not a de Polignac number, because 12994292352121 - 23 = 12994292352113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12994292352101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6497146176060 + 6497146176061.

It is an arithmetic number, because the mean of its divisors is an integer number (6497146176061).

Almost surely, 212994292352121 is an apocalyptic number.

It is an amenable number.

12994292352121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12994292352121 is an equidigital number, since it uses as much as digits as its factorization.

12994292352121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The spelling of 12994292352121 in words is "twelve trillion, nine hundred ninety-four billion, two hundred ninety-two million, three hundred fifty-two thousand, one hundred twenty-one".