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12222233303213 = 17242291464717
BaseRepresentation
bin1011000111011011010111…
…0111111101100010101101
31121021102201110020121121102
42301312311313331202231
53100222113211200323
641554452205012445
72401012222636343
oct261666567754255
947242643217542
1012222233303213
11399246908085a
121454901254125
136a8722ca867b
143037b8811993
15162ddd20a328
hexb1db5dfd8ad

12222233303213 has 6 divisors (see below), whose sum is σ = 12983479668426. Its totient is φ = 11503278402752.

The previous prime is 12222233303197. The next prime is 12222233303221. The reversal of 12222233303213 is 31230333222221.

It can be written as a sum of positive squares in 3 ways, for example, as 2272984400164 + 9949248903049 = 1507642^2 + 3154243^2 .

It is not a de Polignac number, because 12222233303213 - 24 = 12222233303197 is a prime.

It is a super-2 number, since 2×122222333032132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224233303213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21145732070 + ... + 21145732647.

It is an arithmetic number, because the mean of its divisors is an integer number (2163913278071).

Almost surely, 212222233303213 is an apocalyptic number.

It is an amenable number.

12222233303213 is a deficient number, since it is larger than the sum of its proper divisors (761246365213).

12222233303213 is an equidigital number, since it uses as much as digits as its factorization.

12222233303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291464751 (or 42291464734 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 12222233303213 its reverse (31230333222221), we get a palindrome (43452566525434).

The spelling of 12222233303213 in words is "twelve trillion, two hundred twenty-two billion, two hundred thirty-three million, three hundred three thousand, two hundred thirteen".

Divisors: 1 17 289 42291464717 718954900189 12222233303213