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12421203141 = 3376112371483
BaseRepresentation
bin10111001000101110…
…01000010011000101
31012001122200111102210
423210113020103011
5200414312000031
65412313254033
7616544325144
oct134427102305
935048614383
1012421203141
1152a4499846
1224a7a04319
13122c4bb059
1485b94175b
154ca721746
hex2e45c84c5

12421203141 has 32 divisors (see below), whose sum is σ = 17313697408. Its totient is φ = 7913168640.

The previous prime is 12421203131. The next prime is 12421203161. The reversal of 12421203141 is 14130212421.

It is not a de Polignac number, because 12421203141 - 210 = 12421202117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421203131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8374986 + ... + 8376468.

It is an arithmetic number, because the mean of its divisors is an integer number (541053044).

Almost surely, 212421203141 is an apocalyptic number.

It is an amenable number.

12421203141 is a deficient number, since it is larger than the sum of its proper divisors (4892494267).

12421203141 is a wasteful number, since it uses less digits than its factorization.

12421203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12421203141 its reverse (14130212421), we get a palindrome (26551415562).

The spelling of 12421203141 in words is "twelve billion, four hundred twenty-one million, two hundred three thousand, one hundred forty-one".

Divisors: 1 3 37 61 111 183 1237 1483 2257 3711 4449 6771 45769 54871 75457 90463 137307 164613 226371 271389 1834471 2791909 3347131 5503413 8375727 10041393 67875427 111902731 203626281 335708193 4140401047 12421203141