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12344201420 = 2251374505183
BaseRepresentation
bin10110111111100010…
…11001000011001100
31011212021210101221012
423133301121003030
5200240103421140
65400523024352
7614620660265
oct133761310314
934767711835
1012344201420
115264a86261
12248606b0b8
13121956a5c5
1485161996c
154c3ab1265
hex2dfc590cc

12344201420 has 24 divisors (see below), whose sum is σ = 26112046464. Its totient is φ = 4901638016.

The previous prime is 12344201417. The next prime is 12344201461. The reversal of 12344201420 is 2410244321.

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, 2249852 + ... + 2255331.

It is an arithmetic number, because the mean of its divisors is an integer number (1088001936).

Almost surely, 212344201420 is an apocalyptic number.

12344201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344201420 is an abundant number, since it is smaller than the sum of its proper divisors (13767845044).

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

12344201420 is a wasteful number, since it uses less digits than its factorization.

12344201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505329 (or 4505327 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12344201420 its reverse (2410244321), we get a palindrome (14754445741).

The spelling of 12344201420 in words is "twelve billion, three hundred forty-four million, two hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 4505183 9010366 18020732 22525915 45051830 90103660 617210071 1234420142 2468840284 3086050355 6172100710 12344201420