Search a number
-
+
12210200002120 = 2351813907431659
BaseRepresentation
bin1011000110101110100010…
…1000100011111001001000
31121020021122211110120202011
42301223220220203321020
53100022442200031440
641545142145345304
72400105065365021
oct261535050437110
947207584416664
1012210200002120
11398835364461a
121452503338234
136a7555c84473
14302d96605c48
15162936aac9ea
hexb1ae8a23e48

12210200002120 has 64 divisors (see below), whose sum is σ = 27631868846400. Its totient is φ = 4855841706240.

The previous prime is 12210200002093. The next prime is 12210200002141. The reversal of 12210200002120 is 2120000201221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210200002120.

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, 28070851 + ... + 28502509.

It is an arithmetic number, because the mean of its divisors is an integer number (431747950725).

Almost surely, 212210200002120 is an apocalyptic number.

12210200002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210200002120 is an abundant number, since it is smaller than the sum of its proper divisors (15421668844280).

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

12210200002120 is a wasteful number, since it uses less digits than its factorization.

12210200002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435758 (or 435754 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12210200002120 its reverse (2120000201221), we get a palindrome (14330200203341).

The spelling of 12210200002120 in words is "twelve trillion, two hundred ten billion, two hundred million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 3620 3907 7240 7814 15628 19535 31256 39070 78140 156280 431659 707167 863318 1414334 1726636 2158295 2828668 3453272 3535835 4316590 5657336 7071670 8633180 14143340 17266360 28286680 78130279 156260558 312521116 390651395 625042232 781302790 1562605580 1686491713 3125211160 3372983426 6745966852 8432458565 13491933704 16864917130 33729834260 67459668520 305255000053 610510000106 1221020000212 1526275000265 2442040000424 3052550000530 6105100001060 12210200002120