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12120211010120 = 2351610531881401
BaseRepresentation
bin1011000001011111010011…
…0111110011001001001000
31120220200101100022010202112
42300113310313303021020
53042034143004310440
641435540441121452
72360441061516533
oct260276467631110
946820340263675
1012120211010120
113953175161a54
121438b8a189288
1369bc145177c5
142dc89ad71a1a
1516041b6a7965
hexb05f4df3248

12120211010120 has 32 divisors (see below), whose sum is σ = 27270658593720. Its totient is φ = 4848051724800.

The previous prime is 12120211010087. The next prime is 12120211010123. The reversal of 12120211010120 is 2101011202121.

12120211010120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8854159652836 + 3266051357284 = 2975594^2 + 1807222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120211010095 and 12120211010104.

It is not an unprimeable number, because it can be changed into a prime (12120211010123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5501420 + ... + 7382820.

Almost surely, 212120211010120 is an apocalyptic number.

12120211010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120211010120 is an abundant number, since it is smaller than the sum of its proper divisors (15150447583600).

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

12120211010120 is a wasteful number, since it uses less digits than its factorization.

12120211010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042465 (or 2042461 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120211010120 its reverse (2101011202121), we get a palindrome (14221222212241).

The spelling of 12120211010120 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 161053 322106 644212 805265 1288424 1610530 1881401 3221060 3762802 6442120 7525604 9407005 15051208 18814010 37628020 75256040 303005275253 606010550506 1212021101012 1515026376265 2424042202024 3030052752530 6060105505060 12120211010120