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12421023202 = 276713242029
BaseRepresentation
bin10111001000101100…
…11100010111100010
31012001122100100121101
423210112130113202
5200414240220302
65412305345014
7616542645430
oct134426342742
935048310541
1012421023202
1152a4386635
1224a793816a
13122c457193
1485b8d5d50
154ca6d8287
hex2e459c5e2

12421023202 has 16 divisors (see below), whose sum is σ = 21610992960. Its totient is φ = 5243843088.

The previous prime is 12421023187. The next prime is 12421023217. The reversal of 12421023202 is 20232012421.

12421023202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12421023187) and next prime (12421023217).

It is a self number, because there is not a number n which added to its sum of digits gives 12421023202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6620077 + ... + 6621952.

It is an arithmetic number, because the mean of its divisors is an integer number (1350687060).

Almost surely, 212421023202 is an apocalyptic number.

12421023202 is a deficient number, since it is larger than the sum of its proper divisors (9189969758).

12421023202 is a wasteful number, since it uses less digits than its factorization.

12421023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242105.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12421023202 its reverse (20232012421), we get a palindrome (32653035623).

The spelling of 12421023202 in words is "twelve billion, four hundred twenty-one million, twenty-three thousand, two hundred two".

Divisors: 1 2 7 14 67 134 469 938 13242029 26484058 92694203 185388406 887215943 1774431886 6210511601 12421023202