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12200211200220 = 2235208379975803
BaseRepresentation
bin1011000110001001010101…
…0000010011100011011100
31121012022212200202212112020
42301202111100103203130
53044342013031401340
641540411042540140
72366302415102421
oct261422520234334
947168780685466
1012200211200220
11398409818893a
121450596067650
136a66236b7cb4
143026c9b59d48
1516254ebb29d0
hexb18954138dc

12200211200220 has 48 divisors (see below), whose sum is σ = 34160790303360. Its totient is φ = 3253370706496.

The previous prime is 12200211200213. The next prime is 12200211200237. The reversal of 12200211200220 is 2200211200221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12200211200220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12014839 + ... + 12990641.

It is an arithmetic number, because the mean of its divisors is an integer number (711683131320).

Almost surely, 212200211200220 is an apocalyptic number.

12200211200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200211200220 is an abundant number, since it is smaller than the sum of its proper divisors (21960579103140).

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

12200211200220 is a wasteful number, since it uses less digits than its factorization.

12200211200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184194 (or 1184192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200211200220 its reverse (2200211200221), we get a palindrome (14400422400441).

Subtracting from 12200211200220 its reverse (2200211200221), we obtain a palindrome (9999999999999).

The spelling of 12200211200220 in words is "twelve trillion, two hundred billion, two hundred eleven million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 208379 416758 625137 833516 975803 1041895 1250274 1951606 2083790 2500548 2927409 3125685 3903212 4167580 4879015 5854818 6251370 9758030 11709636 12502740 14637045 19516060 29274090 58548180 203336853337 406673706674 610010560011 813347413348 1016684266685 1220021120022 2033368533370 2440042240044 3050052800055 4066737066740 6100105600110 12200211200220