Search a number
-
+
12212103320 = 2351916068557
BaseRepresentation
bin10110101111110010…
…11110100010011000
31011112002020010101222
423113321132202120
5200002244301240
65335443431212
7611425110524
oct132771364230
934462203358
1012212103320
1151a7460a7a
122449985508
1311c8098b51
1483bc70d84
154b71baeb5
hex2d7e5e898

12212103320 has 32 divisors (see below), whose sum is σ = 28923404400. Its totient is φ = 4627744128.

The previous prime is 12212103313. The next prime is 12212103331. The reversal of 12212103320 is 2330121221.

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 7 ways as a sum of consecutive naturals, for example, 8033519 + ... + 8035038.

Almost surely, 212212103320 is an apocalyptic number.

12212103320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212103320 is an abundant number, since it is smaller than the sum of its proper divisors (16711301080).

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

12212103320 is a wasteful number, since it uses less digits than its factorization.

12212103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16068587 (or 16068583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12212103320 its reverse (2330121221), we get a palindrome (14542224541).

The spelling of 12212103320 in words is "twelve billion, two hundred twelve million, one hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 16068557 32137114 64274228 80342785 128548456 160685570 305302583 321371140 610605166 642742280 1221210332 1526512915 2442420664 3053025830 6106051660 12212103320