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2122121000230 = 2571121193130043
BaseRepresentation
bin11110111000011000010…
…001001011010100100110
321111212120021001102210121
4132320120101023110212
5234232100434001410
64302520001512154
7306214064610430
oct36703021132446
97455507042717
102122121000230
11748a93a87860
122a334604265a
13125165cb005a
14749d578b650
153a3042979da
hex1ee1844b526

2122121000230 has 64 divisors (see below), whose sum is σ = 4762631582208. Its totient is φ = 661404015360.

The previous prime is 2122121000201. The next prime is 2122121000231. The reversal of 2122121000230 is 320001212212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121000231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16253589 + ... + 16383631.

It is an arithmetic number, because the mean of its divisors is an integer number (74416118472).

Almost surely, 22122121000230 is an apocalyptic number.

2122121000230 is an abundant number, since it is smaller than the sum of its proper divisors (2640510581978).

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

2122121000230 is a wasteful number, since it uses less digits than its factorization.

2122121000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151261.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2122121000230 its reverse (320001212212), we get a palindrome (2442122212442).

The spelling of 2122121000230 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 21193 42386 105965 130043 148351 211930 233123 260086 296702 466246 650215 741755 910301 1165615 1300430 1430473 1483510 1631861 1820602 2331230 2860946 3263722 4551505 7152365 8159305 9103010 10013311 14304730 16318610 20026622 50066555 100133110 2756001299 5512002598 13780006495 19292009093 27560012990 30316014289 38584018186 60632028578 96460045465 151580071445 192920090930 212212100023 303160142890 424424200046 1061060500115 2122121000230