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12214421421434 = 21391911186319391
BaseRepresentation
bin1011000110111110010000…
…1111111111110101111010
31121020200120000210220101122
42301233210033333311322
53100110113340441214
641551121105145242
72400314515015661
oct261574417776572
947220500726348
1012214421421434
11398a11a510411
1214532a102b222
136a7a7971c60b
14303277115dd8
15162ad24bd88e
hexb1be43ffd7a

12214421421434 has 32 divisors (see below), whose sum is σ = 18552577720320. Its totient is φ = 6030709599600.

The previous prime is 12214421421431. The next prime is 12214421421463. The reversal of 12214421421434 is 43412412441221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12214421421394 and 12214421421403.

It is not an unprimeable number, because it can be changed into a prime (12214421421431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629891879 + ... + 629911269.

It is an arithmetic number, because the mean of its divisors is an integer number (579768053760).

Almost surely, 212214421421434 is an apocalyptic number.

12214421421434 is a deficient number, since it is larger than the sum of its proper divisors (6338156298886).

12214421421434 is a wasteful number, since it uses less digits than its factorization.

12214421421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31586.

The product of its digits is 49152, while the sum is 35.

Adding to 12214421421434 its reverse (43412412441221), we get a palindrome (55626833862655).

The spelling of 12214421421434 in words is "twelve trillion, two hundred fourteen billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred thirty-four".

Divisors: 1 2 139 191 278 382 11863 19391 23726 26549 38782 53098 1648957 2265833 2695349 3297914 3703681 4531666 5390698 7407362 230035433 314950787 460070866 514811659 629901574 1029623318 31974925187 43936767703 63949850374 87873535406 6107210710717 12214421421434