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12350121472 = 291310717341
BaseRepresentation
bin10111000000001111…
…11110011000000000
31011212200221011201101
423200013332120000
5200243112341342
65401253544144
7615022205023
oct134007763000
934780834641
1012350121472
11526835a067
122488045054
13121a8610b0
1485231b1ba
154c43803b7
hex2e01fe600

12350121472 has 80 divisors (see below), whose sum is σ = 26824189392. Its totient is φ = 5646458880.

The previous prime is 12350121409. The next prime is 12350121491. The reversal of 12350121472 is 27412105321.

It is a self number, because there is not a number n which added to its sum of digits gives 12350121472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703522 + ... + 720862.

Almost surely, 212350121472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12350121472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13412094696).

12350121472 is an abundant number, since it is smaller than the sum of its proper divisors (14474067920).

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

12350121472 is a wasteful number, since it uses less digits than its factorization.

12350121472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479 (or 17463 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 12350121472 its reverse (27412105321), we get a palindrome (39762226793).

The spelling of 12350121472 in words is "twelve billion, three hundred fifty million, one hundred twenty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 107 128 208 214 256 416 428 512 832 856 1391 1664 1712 2782 3328 3424 5564 6656 6848 11128 13696 17341 22256 27392 34682 44512 54784 69364 89024 138728 178048 225433 277456 356096 450866 554912 712192 901732 1109824 1803464 1855487 2219648 3606928 3710974 4439296 7213856 7421948 8878592 14427712 14843896 24121331 28855424 29687792 48242662 57710848 59375584 96485324 115421696 118751168 192970648 237502336 385941296 475004672 771882592 950009344 1543765184 3087530368 6175060736 12350121472