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12421001112100 = 2252767264840109
BaseRepresentation
bin1011010010111111110101…
…0110111110101000100100
31121222102202220221111122221
42310233331112332220210
53112001202241041400
642230043521002124
72421246662302420
oct264577526765044
947872686844587
1012421001112100
113a59798349599
121487334183344
136c13abc41c79
1430d272dc3b80
151681733d5c1a
hexb4bfd5bea24

12421001112100 has 72 divisors (see below), whose sum is σ = 31263845305280. Its totient is φ = 4195067310720.

The previous prime is 12421001111993. The next prime is 12421001112119. The reversal of 12421001112100 is 121110012421.

It is a super-3 number, since 3×124210011121003 (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132373155 + ... + 132466954.

Almost surely, 212421001112100 is an apocalyptic number.

12421001112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421001112100 is an abundant number, since it is smaller than the sum of its proper divisors (18842844193180).

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

12421001112100 is a wasteful number, since it uses less digits than its factorization.

12421001112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264840197 (or 264840190 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12421001112100 its reverse (121110012421), we get a palindrome (12542111124521).

The spelling of 12421001112100 in words is "twelve trillion, four hundred twenty-one billion, one million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 67 70 100 134 140 175 268 335 350 469 670 700 938 1340 1675 1876 2345 3350 4690 6700 9380 11725 23450 46900 264840109 529680218 1059360436 1324200545 1853880763 2648401090 3707761526 5296802180 6621002725 7415523052 9269403815 13242005450 17744287303 18538807630 26484010900 35488574606 37077615260 46347019075 70977149212 88721436515 92694038150 124210011121 177442873030 185388076300 248420022242 354885746060 443607182575 496840044484 621050055605 887214365150 1242100111210 1774428730300 2484200222420 3105250278025 6210500556050 12421001112100