Search a number
-
+
121222330230 = 235109302312263
BaseRepresentation
bin111000011100101101…
…0011111011101110110
3102120220012012102100110
41300321122133131312
53441230404031410
6131404435123450
711521000543251
oct1607132373566
9376805172313
10121222330230
11474569329a1
121b5b1143586
13b57b4c97b1
145c1d80a098
153247452720
hex1c3969f776

121222330230 has 64 divisors (see below), whose sum is σ = 293723781120. Its totient is φ = 32016180096.

The previous prime is 121222330213. The next prime is 121222330247. The reversal of 121222330230 is 32033222121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121222330213) and next prime (121222330247).

It is a junction number, because it is equal to n+sod(n) for n = 121222330197 and 121222330206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9879079 + ... + 9891341.

It is an arithmetic number, because the mean of its divisors is an integer number (4589434080).

Almost surely, 2121222330230 is an apocalyptic number.

121222330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222330230 is an abundant number, since it is smaller than the sum of its proper divisors (172501450890).

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

121222330230 is a wasteful number, since it uses less digits than its factorization.

121222330230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121222330230 its reverse (32033222121), we get a palindrome (153255552351).

The spelling of 121222330230 in words is "one hundred twenty-one billion, two hundred twenty-two million, three hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3023 3270 6046 9069 12263 15115 18138 24526 30230 36789 45345 61315 73578 90690 122630 183945 329507 367890 659014 988521 1336667 1647535 1977042 2673334 3295070 4010001 4942605 6683335 8020002 9885210 13366670 20050005 37071049 40100010 74142098 111213147 185355245 222426294 370710490 556065735 1112131470 4040744341 8081488682 12122233023 20203721705 24244466046 40407443410 60611165115 121222330230