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12223302213 = 313013131771
BaseRepresentation
bin10110110001001000…
…01100101001000101
31011112212022002101210
423120210030221011
5200013131132323
65340523442033
7611622232413
oct133044145105
934485262353
1012223302213
11520280a961
122451686319
1311ca4ba305
1483d5482b3
154b817e293
hex2d890ca45

12223302213 has 8 divisors (see below), whose sum is σ = 16310268576. Its totient is φ = 8142602000.

The previous prime is 12223302193. The next prime is 12223302233. The reversal of 12223302213 is 31220332221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12223302193) and next prime (12223302233).

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

It is a cyclic number.

It is not a de Polignac number, because 12223302213 - 26 = 12223302149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12223302213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223302233) 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, 1561983 + ... + 1569788.

It is an arithmetic number, because the mean of its divisors is an integer number (2038783572).

Almost surely, 212223302213 is an apocalyptic number.

It is an amenable number.

12223302213 is a deficient number, since it is larger than the sum of its proper divisors (4086966363).

12223302213 is a wasteful number, since it uses less digits than its factorization.

12223302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133075.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12223302213 its reverse (31220332221), we get a palindrome (43443634434).

The spelling of 12223302213 in words is "twelve billion, two hundred twenty-three million, three hundred two thousand, two hundred thirteen".

Divisors: 1 3 1301 3903 3131771 9395313 4074434071 12223302213