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12132102201990 = 2353372539472631
BaseRepresentation
bin1011000010001011100110…
…1001000110001010000110
31120221211002001200021102020
42300202321221012022012
53042233021130430430
641445224422424010
72361341542134441
oct260427151061206
946854061607366
1012132102201990
113958217456451
12143b348592006
136a008ac73604
142dd2a8348658
151608b55d3b10
hexb08b9a46286

12132102201990 has 64 divisors (see below), whose sum is σ = 29215009774080. Its totient is φ = 3224349918720.

The previous prime is 12132102201931. The next prime is 12132102201991. The reversal of 12132102201990 is 9910220123121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132102201991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25432975 + ... + 25905605.

It is an arithmetic number, because the mean of its divisors is an integer number (456484527720).

Almost surely, 212132102201990 is an apocalyptic number.

12132102201990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132102201990 is an abundant number, since it is smaller than the sum of its proper divisors (17082907572090).

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

12132102201990 is a wasteful number, since it uses less digits than its factorization.

12132102201990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475517.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 12132102201990 in words is "twelve trillion, one hundred thirty-two billion, one hundred two million, two hundred one thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 337 674 1011 1685 2022 2539 3370 5055 5078 7617 10110 12695 15234 25390 38085 76170 472631 855643 945262 1417893 1711286 2363155 2566929 2835786 4278215 4726310 5133858 7089465 8556430 12834645 14178930 25669290 159276647 318553294 477829941 796383235 955659882 1200010109 1592766470 2389149705 2400020218 3600030327 4778299410 6000050545 7200060654 12000101090 18000151635 36000303270 404403406733 808806813466 1213210220199 2022017033665 2426420440398 4044034067330 6066051100995 12132102201990