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12220012010 = 252361786111
BaseRepresentation
bin10110110000101111…
…01001010111101010
31011112122002221002102
423120113221113222
5200011310341020
65340325133402
7611552250113
oct133027512752
934478087072
1012220012010
115200972988
12245055a262
1311c990784b
1483cd2d20a
154b7c2e475
hex2d85e95ea

12220012010 has 32 divisors (see below), whose sum is σ = 22989837312. Its totient is φ = 4667850880.

The previous prime is 12220011983. The next prime is 12220012019. The reversal of 12220012010 is 1021002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220011982 and 12220012000.

It is not an unprimeable number, because it can be changed into a prime (12220012019) 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 15 ways as a sum of consecutive naturals, for example, 98855 + ... + 184965.

It is an arithmetic number, because the mean of its divisors is an integer number (718432416).

Almost surely, 212220012010 is an apocalyptic number.

12220012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220012010 is a deficient number, since it is larger than the sum of its proper divisors (10769825302).

12220012010 is a wasteful number, since it uses less digits than its factorization.

12220012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86758.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220012010 its reverse (1021002221), we get a palindrome (13241014231).

The spelling of 12220012010 in words is "twelve billion, two hundred twenty million, twelve thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 617 1234 3085 6170 14191 28382 70955 86111 141910 172222 430555 861110 1980553 3961106 9902765 19805530 53130487 106260974 265652435 531304870 1222001201 2444002402 6110006005 12220012010