Search a number
-
+
12120122121100 = 2252717314460173
BaseRepresentation
bin1011000001011110111110…
…0100101101101110001100
31120220200011011001002221121
42300113233210231232030
53042034002230333400
641435523544010324
72360435632132060
oct260275744555614
946820134032847
1012120122121100
113953129a6a354
121438b644609a4
1369bbcbc94456
142dc88d233aa0
1516041399a21a
hexb05ef92db8c

12120122121100 has 36 divisors (see below), whose sum is σ = 30057902862064. Its totient is φ = 4155470441280.

The previous prime is 12120122121091. The next prime is 12120122121161. The reversal of 12120122121100 is 112122102121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8657229387 + ... + 8657230786.

Almost surely, 212120122121100 is an apocalyptic number.

12120122121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120122121100 is an abundant number, since it is smaller than the sum of its proper divisors (17937780740964).

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

12120122121100 is a wasteful number, since it uses less digits than its factorization.

12120122121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314460194 (or 17314460187 counting only the distinct ones).

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

Adding to 12120122121100 its reverse (112122102121), we get a palindrome (12232244223221).

The spelling of 12120122121100 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 17314460173 34628920346 69257840692 86572300865 121201221211 173144601730 242402442422 346289203460 432861504325 484804884844 606006106055 865723008650 1212012212110 1731446017300 2424024424220 3030030530275 6060061060550 12120122121100