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12221341041444 = 2237155259259583
BaseRepresentation
bin1011000111011000000010…
…1100010000001100100100
31121021100102021022000120020
42301312000230100030210
53100213301301311234
641554223452435140
72400651136560153
oct261660054201444
947240367260506
1012221341041444
113992050454337
1214546b2478ab0
136a8610191222
1430373210b59a
15162d89c0b549
hexb1d80b10324

12221341041444 has 48 divisors (see below), whose sum is σ = 28918737469440. Its totient is φ = 4016315003680.

The previous prime is 12221341041433. The next prime is 12221341041449. The reversal of 12221341041444 is 44414014312221.

It is a super-2 number, since 2×122213410414442 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12221341041449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46950877 + ... + 47210459.

It is an arithmetic number, because the mean of its divisors is an integer number (602473697280).

Almost surely, 212221341041444 is an apocalyptic number.

It is an amenable number.

12221341041444 is an abundant number, since it is smaller than the sum of its proper divisors (16697396427996).

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

12221341041444 is a wasteful number, since it uses less digits than its factorization.

12221341041444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314920 (or 314918 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 12221341041444 its reverse (44414014312221), we get a palindrome (56635355353665).

The spelling of 12221341041444 in words is "twelve trillion, two hundred twenty-one billion, three hundred forty-one million, forty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 55259 110518 165777 221036 259583 331554 519166 663108 778749 1038332 1557498 3114996 3923389 7846778 11770167 15693556 18430393 23540334 36860786 47080668 55291179 73721572 110582358 221164716 14344296997 28688593994 43032890991 57377187988 86065781982 172131563964 1018445086787 2036890173574 3055335260361 4073780347148 6110670520722 12221341041444