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12222201330 = 2325213163727
BaseRepresentation
bin10110110000111111…
…11111110111110010
31011112210020011021100
423120133333313302
5200012340420310
65340444105230
7611606666013
oct133037776762
934483204240
1012222201330
115202128839
122451235216
1311ca1c31c1
1483d33d00a
154b8012ec0
hex2d87ffdf2

12222201330 has 48 divisors (see below), whose sum is σ = 31793134464. Its totient is φ = 3257673120.

The previous prime is 12222201287. The next prime is 12222201337. The reversal of 12222201330 is 3310222221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12222201337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159927 + ... + 223653.

It is an arithmetic number, because the mean of its divisors is an integer number (662356968).

Almost surely, 212222201330 is an apocalyptic number.

12222201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222201330 is an abundant number, since it is smaller than the sum of its proper divisors (19570933134).

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

12222201330 is a wasteful number, since it uses less digits than its factorization.

12222201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65871 (or 65868 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12222201330 its reverse (3310222221), we get a palindrome (15532423551).

The spelling of 12222201330 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2131 4262 6393 10655 12786 19179 21310 31965 38358 63727 63930 95895 127454 191181 191790 318635 382362 573543 637270 955905 1147086 1911810 2867715 5735430 135802237 271604474 407406711 679011185 814813422 1222220133 1358022370 2037033555 2444440266 4074067110 6111100665 12222201330