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20120110102222 = 21317172681263611
BaseRepresentation
bin1001001001100100101000…
…00000111111011011001110
32122020110112001210220000021
410210302110000333123032
510114121441141232342
6110443015002252354
74144426041033004
oct444622400773316
978213461726007
1020120110102222
116457988693629
12230b4b41b70ba
13b2c41a23ab40
144d7b66064a74
1524d584839567
hex124c9403f6ce

20120110102222 has 32 divisors (see below), whose sum is σ = 34413911822304. Its totient is φ = 8739873561600.

The previous prime is 20120110102159. The next prime is 20120110102229. The reversal of 20120110102222 is 22220101102102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120110102196 and 20120110102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120110102229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76193197 + ... + 76456807.

It is an arithmetic number, because the mean of its divisors is an integer number (1075434744447).

Almost surely, 220120110102222 is an apocalyptic number.

20120110102222 is a deficient number, since it is larger than the sum of its proper divisors (14293801720082).

20120110102222 is a wasteful number, since it uses less digits than its factorization.

20120110102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436324.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120110102222 its reverse (22220101102102), we get a palindrome (42340211204324).

The spelling of 20120110102222 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 13 17 26 34 221 442 172681 263611 345362 527222 2244853 2935577 3426943 4481387 4489706 5871154 6853886 8962774 38162501 58258031 76325002 116516062 45520611091 91041222182 591767944183 773850388547 1183535888366 1547700777094 10060055051111 20120110102222