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12355310112 = 253128701147
BaseRepresentation
bin10111000000110111…
…10001001000100000
31011220001200210012020
423200123301020200
5200300424410422
65402001101440
7615114255165
oct134033611040
934801623166
1012355310112
1152702833a2
122489927880
13121b9599b2
14852cac06c
154c4a5795c
hex2e06f1220

12355310112 has 24 divisors (see below), whose sum is σ = 32432689296. Its totient is φ = 4118436672.

The previous prime is 12355310089. The next prime is 12355310113. The reversal of 12355310112 is 21101355321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12355310113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64350478 + ... + 64350669.

It is an arithmetic number, because the mean of its divisors is an integer number (1351362054).

Almost surely, 212355310112 is an apocalyptic number.

12355310112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12355310112 is an abundant number, since it is smaller than the sum of its proper divisors (20077379184).

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

12355310112 is a wasteful number, since it uses less digits than its factorization.

12355310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128701160 (or 128701152 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 12355310112 its reverse (21101355321), we get a palindrome (33456665433).

The spelling of 12355310112 in words is "twelve billion, three hundred fifty-five million, three hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 128701147 257402294 386103441 514804588 772206882 1029609176 1544413764 2059218352 3088827528 4118436704 6177655056 12355310112