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12112320251052 = 2232776541627961
BaseRepresentation
bin1011000001000001111010…
…0010111100010010101100
31120212221000102110001020200
42300100132202330102230
53041422012441013202
641432153442513500
72360041405260210
oct260203642742254
946787012401220
1012112320251052
11394a89601796a
121437547665890
1369b2578023b8
142dc34cdc2940
15160108a89e1c
hexb041e8bc4ac

12112320251052 has 72 divisors (see below), whose sum is σ = 34991660270112. Its totient is φ = 3460612204800.

The previous prime is 12112320251047. The next prime is 12112320251123. The reversal of 12112320251052 is 25015202321121.

12112320251052 is a `hidden beast` number, since 1 + 2 + 1 + 123 + 20 + 2 + 510 + 5 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18974352 + ... + 19602312.

Almost surely, 212112320251052 is an apocalyptic number.

12112320251052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112320251052 is an abundant number, since it is smaller than the sum of its proper divisors (22879340019060).

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

12112320251052 is a wasteful number, since it uses less digits than its factorization.

12112320251052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704519 (or 704514 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 12112320251052 its reverse (25015202321121), we get a palindrome (37127522572173).

The spelling of 12112320251052 in words is "twelve trillion, one hundred twelve billion, three hundred twenty million, two hundred fifty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 76541 153082 229623 306164 459246 535787 627961 688869 918492 1071574 1255922 1377738 1607361 1883883 2143148 2511844 2755476 3214722 3767766 4395727 4822083 5651649 6429444 7535532 8791454 9644166 11303298 13187181 17582908 19288332 22606596 26374362 39561543 52748724 79123086 158246172 48064762901 96129525802 144194288703 192259051604 288388577406 336453340307 432582866109 576777154812 672906680614 865165732218 1009360020921 1345813361228 1730331464436 2018720041842 3028080062763 4037440083684 6056160125526 12112320251052