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12221301010 = 251222130101
BaseRepresentation
bin10110110000111001…
…00100000100010010
31011112201112102021011
423120130210010102
5200012123113020
65340412521134
7611566226122
oct133034440422
934481472234
1012221301010
115201673376
122450a801aa
1311c9c69479
1483d186c82
154b7dd635a
hex2d8724112

12221301010 has 8 divisors (see below), whose sum is σ = 21998341836. Its totient is φ = 4888520400.

The previous prime is 12221300989. The next prime is 12221301013. The reversal of 12221301010 is 1010312221.

It can be written as a sum of positive squares in 2 ways, for example, as 12188822409 + 32478601 = 110403^2 + 5699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12221301013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611065041 + ... + 611065060.

Almost surely, 212221301010 is an apocalyptic number.

12221301010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221301010 is a deficient number, since it is larger than the sum of its proper divisors (9777040826).

12221301010 is a wasteful number, since it uses less digits than its factorization.

12221301010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222130108.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12221301010 its reverse (1010312221), we get a palindrome (13231613231).

The spelling of 12221301010 in words is "twelve billion, two hundred twenty-one million, three hundred one thousand, ten".

Divisors: 1 2 5 10 1222130101 2444260202 6110650505 12221301010