Search a number
-
+
12210210223230 = 2351777330972301
BaseRepresentation
bin1011000110101110100100…
…1111100011010001111110
31121020021200112200212110210
42301223221033203101332
53100023002304120410
641545143152413250
72400105251305125
oct261535117432176
947207615625423
1012210210223230
113988359395918
121452506847226
136a7558122866
14302d97b06abc
1516293792b220
hexb1ae93e347e

12210210223230 has 64 divisors (see below), whose sum is σ = 31068440025408. Its totient is φ = 3060558796800.

The previous prime is 12210210223181. The next prime is 12210210223297. The reversal of 12210210223230 is 3232201201221.

It is a junction number, because it is equal to n+sod(n) for n = 12210210223197 and 12210210223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15091921 + ... + 15880380.

It is an arithmetic number, because the mean of its divisors is an integer number (485444375397).

Almost surely, 212210210223230 is an apocalyptic number.

12210210223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210210223230 is an abundant number, since it is smaller than the sum of its proper divisors (18858229802178).

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

12210210223230 is a wasteful number, since it uses less digits than its factorization.

12210210223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30973101.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12210210223230 its reverse (3232201201221), we get a palindrome (15442411424451).

The spelling of 12210210223230 in words is "twelve trillion, two hundred ten billion, two hundred ten million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 773 1546 2319 3865 4638 7730 11595 13141 23190 26282 39423 65705 78846 131410 197115 394230 30972301 61944602 92916903 154861505 185833806 309723010 464584515 526529117 929169030 1053058234 1579587351 2632645585 3159174702 5265291170 7897936755 15795873510 23941588673 47883177346 71824766019 119707943365 143649532038 239415886730 359123830095 407007007441 718247660190 814014014882 1221021022323 2035035037205 2442042044646 4070070074410 6105105111615 12210210223230