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12425321232 = 2432336125673
BaseRepresentation
bin10111001001001101…
…10101101100010000
31012001221102201101200
423210212311230100
5200421340234412
65412541431200
7616624326222
oct134446655420
935057381350
1012425321232
1152a6851825
1224a926b500
1312303005ac
1485c2d4412
154cac869dc
hex2e49b5b10

12425321232 has 60 divisors (see below), whose sum is σ = 34785343164. Its totient is φ = 4140380160.

The previous prime is 12425321231. The next prime is 12425321243. The reversal of 12425321232 is 23212352421.

12425321232 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 532 + 123 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9948865536 + 2476455696 = 99744^2 + 49764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12425321196 and 12425321205.

It is not an unprimeable number, because it can be changed into a prime (12425321231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471148 + ... + 496820.

Almost surely, 212425321232 is an apocalyptic number.

12425321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12425321232 is an abundant number, since it is smaller than the sum of its proper divisors (22360021932).

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

12425321232 is a wasteful number, since it uses less digits than its factorization.

12425321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29048 (or 29039 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 12425321232 its reverse (23212352421), we get a palindrome (35637673653).

The spelling of 12425321232 in words is "twelve billion, four hundred twenty-five million, three hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3361 6722 10083 13444 20166 25673 26888 30249 40332 51346 53776 60498 77019 80664 102692 120996 154038 161328 205384 231057 241992 308076 410768 462114 483984 616152 924228 1232304 1848456 3696912 86286953 172573906 258860859 345147812 517721718 690295624 776582577 1035443436 1380591248 1553165154 2070886872 3106330308 4141773744 6212660616 12425321232