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212123112001300 = 225231138469494167
BaseRepresentation
bin110000001110110011000010…
…101111010100111100010100
31000211001202211101122211002201
4300032303002233110330110
5210300411113133020200
62031052002401014244
762452250314143523
oct6016630257247424
91024052741584081
10212123112001300
11616529a7760975
121b95aa69024384
13914917b8035c6
143a54b55d884ba
15197cc2027ec6a
hexc0ecc2bd4f14

212123112001300 has 72 divisors (see below), whose sum is σ = 475160163914240. Its totient is φ = 82111413225600.

The previous prime is 212123112001289. The next prime is 212123112001313. The reversal of 212123112001300 is 3100211321212.

It is a super-3 number, since 3×2121231120013003 (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429006817 + ... + 429500983.

Almost surely, 2212123112001300 is an apocalyptic number.

212123112001300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212123112001300 is an abundant number, since it is smaller than the sum of its proper divisors (263037051912940).

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

212123112001300 is a wasteful number, since it uses less digits than its factorization.

212123112001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632681 (or 632674 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212123112001300 its reverse (3100211321212), we get a palindrome (215223323322512).

The spelling of 212123112001300 in words is "two hundred twelve trillion, one hundred twenty-three billion, one hundred twelve million, one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 138469 276938 494167 553876 692345 988334 1384690 1976668 2470835 2769380 3461725 4292539 4941670 6923450 8585078 9883340 12354175 13846900 15319177 17170156 21462695 24708350 30638354 42925390 49416700 61276708 76595885 85850780 107313475 153191770 214626950 306383540 382979425 429253900 765958850 1531917700 68426810323 136853620646 273707241292 342134051615 684268103230 1368536206460 1710670258075 2121231120013 3421340516150 4242462240026 6842681032300 8484924480052 10606155600065 21212311200130 42424622400260 53030778000325 106061556000650 212123112001300