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121032101202020 = 225193019105500341
BaseRepresentation
bin11011100001001111111011…
…011001100000100001100100
3120212112120000020021111002122
4123201033323121200201210
5111330442220401431040
61105225214003325112
734331165203513361
oct3341177331404144
9525476006244078
10121032101202020
1135623475912328
12116a89b9980798
13526c3801a95b8
1421c5db0a01468
15ded4c91e91b5
hex6e13fb660864

121032101202020 has 48 divisors (see below), whose sum is σ = 267633267585600. Its totient is φ = 45849603761280.

The previous prime is 121032101202017. The next prime is 121032101202041. The reversal of 121032101202020 is 20202101230121.

121032101202020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1210321012020202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121032101202020.

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 15 ways as a sum of consecutive naturals, for example, 51602951 + ... + 53897390.

It is an arithmetic number, because the mean of its divisors is an integer number (5575693074700).

Almost surely, 2121032101202020 is an apocalyptic number.

121032101202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032101202020 is an abundant number, since it is smaller than the sum of its proper divisors (146601166383580).

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

121032101202020 is a wasteful number, since it uses less digits than its factorization.

121032101202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105503388 (or 105503386 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121032101202020 its reverse (20202101230121), we get a palindrome (141234202432141).

The spelling of 121032101202020 in words is "one hundred twenty-one trillion, thirty-two billion, one hundred one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3019 6038 12076 15095 30190 57361 60380 114722 229444 286805 573610 1147220 105500341 211000682 422001364 527501705 1055003410 2004506479 2110006820 4009012958 8018025916 10022532395 20045064790 40090129580 318505529479 637011058958 1274022117916 1592527647395 3185055294790 6051605060101 6370110589580 12103210120202 24206420240404 30258025300505 60516050601010 121032101202020