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12122220122210 = 25113071670321491
BaseRepresentation
bin1011000001100110110010…
…0111111101000001100010
31120220212120100210121102102
42300121230213331001202
53042102301322402320
641440512051250402
72360541625632302
oct260315447750142
946825510717372
1012122220122210
113954006262670
12143944aba9a02
1369c174832523
142dca0bb1d602
151604d7c6a175
hexb066c9fd062

12122220122210 has 64 divisors (see below), whose sum is σ = 23883709538304. Its totient is φ = 4393253995200.

The previous prime is 12122220122143. The next prime is 12122220122231. The reversal of 12122220122210 is 1222102222121.

It is a super-3 number, since 3×121222201222103 (a number of 40 digits) contains 333 as substring.

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, 564049565 + ... + 564071055.

It is an arithmetic number, because the mean of its divisors is an integer number (373182961536).

Almost surely, 212122220122210 is an apocalyptic number.

12122220122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122220122210 is a deficient number, since it is larger than the sum of its proper divisors (11761489416094).

12122220122210 is a wasteful number, since it uses less digits than its factorization.

12122220122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38519.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122220122210 its reverse (1222102222121), we get a palindrome (13344322344331).

The spelling of 12122220122210 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 307 614 1535 3070 3377 6754 16703 16885 21491 33406 33770 42982 83515 107455 167030 183733 214910 236401 367466 472802 918665 1182005 1837330 2364010 5127821 6597737 10255642 13195474 25639105 32988685 51278210 56406031 65977370 72575107 112812062 145150214 282030155 358964173 362875535 564060310 717928346 725751070 1794820865 3589641730 3948605903 7897211806 19743029515 39486059030 110202001111 220404002222 551010005555 1102020011110 1212222012221 2424444024442 6061110061105 12122220122210