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10221212111210 = 258321001586387
BaseRepresentation
bin1001010010111100111110…
…1101111001000101101010
31100012010201211211211120022
42110233033231321011222
52314431020300024320
633423320544200442
72103313110305162
oct224571755710552
940163654754508
1010221212111210
113290878852341
121190b33309122
13591b18cc7299
142749d04995a2
1512ad25762325
hex94bcfb7916a

10221212111210 has 32 divisors (see below), whose sum is σ = 18620765013312. Its totient is φ = 4039026768000.

The previous prime is 10221212111167. The next prime is 10221212111261. The reversal of 10221212111210 is 1211121212201.

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, 17137637 + ... + 17724023.

It is an arithmetic number, because the mean of its divisors is an integer number (581898906666).

Almost surely, 210221212111210 is an apocalyptic number.

10221212111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221212111210 is a deficient number, since it is larger than the sum of its proper divisors (8399552902102).

10221212111210 is a wasteful number, since it uses less digits than its factorization.

10221212111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607478.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221212111210 its reverse (1211121212201), we get a palindrome (11432333323411).

The spelling of 10221212111210 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 83 166 415 830 21001 42002 105005 210010 586387 1172774 1743083 2931935 3486166 5863870 8715415 17430830 48670121 97340242 243350605 486701210 12314713387 24629426774 61573566935 123147133870 1022121211121 2044242422242 5110606055605 10221212111210