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12210001322 = 228121725981
BaseRepresentation
bin10110101111100010…
…11101010110101010
31011111221021100000012
423113301131112222
5200001230020242
65335330411522
7611401204331
oct132761352652
934457240005
1012210001322
1151a6255792
122449130ba2
1311c781116c
1483b884d18
154b6e03282
hex2d7c5d5aa

12210001322 has 8 divisors (see below), whose sum is σ = 18380180772. Its totient is φ = 6083274400.

The previous prime is 12210001303. The next prime is 12210001337. The reversal of 12210001322 is 22310001221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11951081041 + 258920281 = 109321^2 + 16091^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12210001297 and 12210001306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10862429 + ... + 10863552.

Almost surely, 212210001322 is an apocalyptic number.

12210001322 is a deficient number, since it is larger than the sum of its proper divisors (6170179450).

12210001322 is a wasteful number, since it uses less digits than its factorization.

12210001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21726264.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210001322 its reverse (22310001221), we get a palindrome (34520002543).

The spelling of 12210001322 in words is "twelve billion, two hundred ten million, one thousand, three hundred twenty-two".

Divisors: 1 2 281 562 21725981 43451962 6105000661 12210001322