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12220313203 = 72353706499
BaseRepresentation
bin10110110000110001…
…10010111001110011
31011112122200020020201
423120120302321303
5200011400010303
65340335420031
7611554643200
oct133030627163
934478606221
1012220313203
1152010591aa
122450684617
1311c99b1977
1483cdaaca7
154b7c8d81d
hex2d8632e73

12220313203 has 12 divisors (see below), whose sum is σ = 14255757000. Its totient is φ = 10444866432.

The previous prime is 12220313173. The next prime is 12220313207. The reversal of 12220313203 is 30231302221.

It is not a de Polignac number, because 12220313203 - 221 = 12218216051 is a prime.

It is a super-2 number, since 2×122203132032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220313207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335953 + ... + 370546.

It is an arithmetic number, because the mean of its divisors is an integer number (1187979750).

Almost surely, 212220313203 is an apocalyptic number.

12220313203 is a deficient number, since it is larger than the sum of its proper divisors (2035443797).

12220313203 is an equidigital number, since it uses as much as digits as its factorization.

12220313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706866 (or 706859 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12220313203 its reverse (30231302221), we get a palindrome (42451615424).

The spelling of 12220313203 in words is "twelve billion, two hundred twenty million, three hundred thirteen thousand, two hundred three".

Divisors: 1 7 49 353 2471 17297 706499 4945493 34618451 249394147 1745759029 12220313203