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12424202002420 = 2251323675799409
BaseRepresentation
bin1011010011001011110000…
…1001011001111111110100
31121222202000222222120201021
42310302330021121333310
53112024231203034140
642231333303110524
72421422210361235
oct264627411317764
947882028876637
1012424202002420
113a6009014a89a
121487a88142444
136c179c132b00
1430d49816108c
151682ae40cb4a
hexb4cbc259ff4

12424202002420 has 36 divisors (see below), whose sum is σ = 28252194265260. Its totient is φ = 4587397661184.

The previous prime is 12424202002417. The next prime is 12424202002439. The reversal of 12424202002420 is 2420020242421.

It can be written as a sum of positive squares in 6 ways, for example, as 4425780892516 + 7998421109904 = 2103754^2 + 2828148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837896325 + ... + 1837903084.

It is an arithmetic number, because the mean of its divisors is an integer number (784783174035).

Almost surely, 212424202002420 is an apocalyptic number.

12424202002420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12424202002420 is an abundant number, since it is smaller than the sum of its proper divisors (15827992262840).

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

12424202002420 is a wasteful number, since it uses less digits than its factorization.

12424202002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675799444 (or 3675799429 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 12424202002420 its reverse (2420020242421), we get a palindrome (14844222244841).

The spelling of 12424202002420 in words is "twelve trillion, four hundred twenty-four billion, two hundred two million, two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 3675799409 7351598818 14703197636 18378997045 36757994090 47785392317 73515988180 95570784634 191141569268 238926961585 477853923170 621210100121 955707846340 1242420200242 2484840400484 3106050500605 6212101001210 12424202002420