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12103110202220 = 22510733117086583
BaseRepresentation
bin1011000000011111100110…
…0101011001001101101100
31120212001020120010002101222
42300013321211121031230
53041244132202432340
641424031515322512
72356264232166662
oct260077145311554
946761216102358
1012103110202220
11394699a1aa964
1214357b7150438
1369a41a689c6b
142dbb17b30c32
1515ec6a21b8b5
hexb01f995936c

12103110202220 has 48 divisors (see below), whose sum is σ = 25731575347968. Its totient is φ = 4781509106880.

The previous prime is 12103110202213. The next prime is 12103110202231. The reversal of 12103110202220 is 2220201130121.

12103110202220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834952 + ... + 9251631.

It is an arithmetic number, because the mean of its divisors is an integer number (536074486416).

Almost surely, 212103110202220 is an apocalyptic number.

12103110202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103110202220 is an abundant number, since it is smaller than the sum of its proper divisors (13628465145748).

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

12103110202220 is a wasteful number, since it uses less digits than its factorization.

12103110202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17087030 (or 17087028 counting only the distinct ones).

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

Adding to 12103110202220 its reverse (2220201130121), we get a palindrome (14323311332341).

The spelling of 12103110202220 in words is "twelve trillion, one hundred three billion, one hundred ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 331 428 535 662 1070 1324 1655 2140 3310 6620 35417 70834 141668 177085 354170 708340 17086583 34173166 68346332 85432915 170865830 341731660 1828264381 3656528762 5655658973 7313057524 9141321905 11311317946 18282643810 22622635892 28278294865 36565287620 56556589730 113113179460 605155510111 1210311020222 2420622040444 3025777550555 6051555101110 12103110202220