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12221030331210 = 2351723962804571
BaseRepresentation
bin1011000111010110111000…
…1010111111001101001010
31121021022121121122022020210
42301311232022333031022
53100212132231044320
641554132553101550
72400640344562341
oct261655612771512
947238547568223
1012221030331210
113991a01025118
1214546263b78b6
136a85909b350c
14303702b4ab58
15162d6c7d40e0
hexb1d6e2bf34a

12221030331210 has 32 divisors (see below), whose sum is σ = 31055794725312. Its totient is φ = 3067238984960.

The previous prime is 12221030331199. The next prime is 12221030331239. The reversal of 12221030331210 is 1213303012221.

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, 11981401776 + ... + 11981402795.

It is an arithmetic number, because the mean of its divisors is an integer number (970493585166).

Almost surely, 212221030331210 is an apocalyptic number.

12221030331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221030331210 is an abundant number, since it is smaller than the sum of its proper divisors (18834764394102).

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

12221030331210 is a wasteful number, since it uses less digits than its factorization.

12221030331210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23962804598.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12221030331210 its reverse (1213303012221), we get a palindrome (13434333343431).

The spelling of 12221030331210 in words is "twelve trillion, two hundred twenty-one billion, thirty million, three hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 23962804571 47925609142 71888413713 119814022855 143776827426 239628045710 359442068565 407367677707 718884137130 814735355414 1222103033121 2036838388535 2444206066242 4073676777070 6110515165605 12221030331210