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12021122410444 = 227429325800373
BaseRepresentation
bin1010111011101110001010…
…1110110010011111001100
31120120012121200121201201101
42232323202232302133030
53033423224314113234
641322232152352444
72350332422361040
oct256734256623714
946505550551641
1012021122410444
113915147235464
1214219356a5724
136927827937c4
142d7b7ad98020
1515ca6c49c814
hexaeee2bb27cc

12021122410444 has 12 divisors (see below), whose sum is σ = 24042244820944. Its totient is φ = 5151909604464.

The previous prime is 12021122410417. The next prime is 12021122410459. The reversal of 12021122410444 is 44401422112021.

12021122410444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 429325800373 = 12021122410444 / (1 + 2 + 0 + 2 + 1 + 1 + 2 + 2 + 4 + 1 + 0 + 4 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214662900159 + ... + 214662900214.

Almost surely, 212021122410444 is an apocalyptic number.

12021122410444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12021122410444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021122410444 is a wasteful number, since it uses less digits than its factorization.

12021122410444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429325800384 (or 429325800382 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 12021122410444 its reverse (44401422112021), we get a palindrome (56422544522465).

The spelling of 12021122410444 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, four hundred ten thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 429325800373 858651600746 1717303201492 3005280602611 6010561205222 12021122410444