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12002312213232 = 2431197234346927
BaseRepresentation
bin1010111010101000000110…
…0011100101001011110000
31120111102001202220201001120
42232222001203211023300
53033121213411310412
641305441444502240
72346065325341655
oct256520143451360
946442052821046
1012002312213232
113908174387930
12141a1660aa980
13690a7574cab3
142d6cb4b09c2c
1515c31ae05b8c
hexaea818e52f0

12002312213232 has 80 divisors (see below), whose sum is σ = 34173406428672. Its totient is φ = 3599568783360.

The previous prime is 12002312213179. The next prime is 12002312213233. The reversal of 12002312213232 is 23231221320021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002312213233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117122248 + ... + 117224679.

Almost surely, 212002312213232 is an apocalyptic number.

12002312213232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002312213232 is an abundant number, since it is smaller than the sum of its proper divisors (22171094215440).

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

12002312213232 is a wasteful number, since it uses less digits than its factorization.

12002312213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234347046 (or 234347040 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12002312213232 its reverse (23231221320021), we get a palindrome (35233533533253).

The spelling of 12002312213232 in words is "twelve trillion, two billion, three hundred twelve million, two hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 97 132 176 194 264 291 388 528 582 776 1067 1164 1552 2134 2328 3201 4268 4656 6402 8536 12804 17072 25608 51216 234346927 468693854 703040781 937387708 1406081562 1874775416 2577816197 2812163124 3749550832 5155632394 5624326248 7733448591 10311264788 11248652496 15466897182 20622529576 22731651919 30933794364 41245059152 45463303838 61867588728 68194955757 90926607676 123735177456 136389911514 181853215352 250048171109 272779823028 363706430704 500096342218 545559646056 750144513327 1000192684436 1091119292112 1500289026654 2000385368872 3000578053308 4000770737744 6001156106616 12002312213232