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12201222012010 = 255650121594701
BaseRepresentation
bin1011000110001101000110…
…0000001111110001101010
31121012102111010210102121221
42301203101200033301222
53044401100313341020
641541055232052254
72366336440623523
oct261432140176152
947172433712557
1012201222012010
113984566816789
12145081869408a
136a6754c3c395
143027840bd84a
151625ad7cc6aa
hexb18d180fc6a

12201222012010 has 16 divisors (see below), whose sum is σ = 21962589343272. Its totient is φ = 4880402200000.

The previous prime is 12201222011983. The next prime is 12201222012017. The reversal of 12201222012010 is 1021022210221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3788710424521 + 8412511587489 = 1946461^2 + 2900433^2 .

It is not an unprimeable number, because it can be changed into a prime (12201222012017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10232341 + ... + 11362360.

Almost surely, 212201222012010 is an apocalyptic number.

12201222012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201222012010 is a deficient number, since it is larger than the sum of its proper divisors (9761367331262).

12201222012010 is a wasteful number, since it uses less digits than its factorization.

12201222012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21651209.

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

Adding to 12201222012010 its reverse (1021022210221), we get a palindrome (13222244222231).

The spelling of 12201222012010 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, twelve thousand, ten".

Divisors: 1 2 5 10 56501 113002 282505 565010 21594701 43189402 107973505 215947010 1220122201201 2440244402402 6100611006005 12201222012010