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12200221120220 = 2257103846062491
BaseRepresentation
bin1011000110001001010111…
…0110001001011011011100
31121012022220101102212012122
42301202111312021123130
53044342023101321340
641540412035322112
72366302565316620
oct261422566113334
947168811385178
1012200221120220
1139840a2843991
121450599450338
136a662577c313
143026cb1bd180
151625509c1db5
hexb1895d896dc

12200221120220 has 48 divisors (see below), whose sum is σ = 29564807720448. Its totient is φ = 4142321951040.

The previous prime is 12200221120207. The next prime is 12200221120271. The reversal of 12200221120220 is 2202112200221.

It is a happy number.

12200221120220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 423016826 + ... + 423045665.

It is an arithmetic number, because the mean of its divisors is an integer number (615933494176).

Almost surely, 212200221120220 is an apocalyptic number.

12200221120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200221120220 is an abundant number, since it is smaller than the sum of its proper divisors (17364586600228).

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

12200221120220 is a wasteful number, since it uses less digits than its factorization.

12200221120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846062610 (or 846062608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12200221120220 its reverse (2202112200221), we get a palindrome (14402333320441).

The spelling of 12200221120220 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 103 140 206 412 515 721 1030 1442 2060 2884 3605 7210 14420 846062491 1692124982 3384249964 4230312455 5922437437 8460624910 11844874874 16921249820 23689749748 29612187185 59224374370 87144436573 118448748740 174288873146 348577746292 435722182865 610011056011 871444365730 1220022112022 1742888731460 2440044224044 3050055280055 6100110560110 12200221120220