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12222320213200 = 245230555800533
BaseRepresentation
bin1011000111011011101100…
…0011011111110011010000
31121021102221111210002200211
42301312323003133303100
53100222302433310300
641554504551453504
72401014326442256
oct261667303376320
947242844702624
1012222320213200
113992503141599
121454926387294
136a8737cb7cb6
143037c61965d6
15162de5b764ba
hexb1dbb0dfcd0

12222320213200 has 30 divisors (see below), whose sum is σ = 29364124313174. Its totient is φ = 4888928085120.

The previous prime is 12222320213171. The next prime is 12222320213239. The reversal of 12222320213200 is 231202322221.

It can be written as a sum of positive squares in 3 ways, for example, as 651791416896 + 11570528796304 = 807336^2 + 3401548^2 .

It is a super-2 number, since 2×122223202132002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15277899867 + ... + 15277900666.

Almost surely, 212222320213200 is an apocalyptic number.

12222320213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222320213200 is an abundant number, since it is smaller than the sum of its proper divisors (17141804099974).

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

12222320213200 is a wasteful number, since it uses less digits than its factorization.

12222320213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555800551 (or 30555800540 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12222320213200 its reverse (231202322221), we get a palindrome (12453522535421).

The spelling of 12222320213200 in words is "twelve trillion, two hundred twenty-two billion, three hundred twenty million, two hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 30555800533 61111601066 122223202132 152779002665 244446404264 305558005330 488892808528 611116010660 763895013325 1222232021320 1527790026650 2444464042640 3055580053300 6111160106600 12222320213200