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12220022071 is a prime number
BaseRepresentation
bin10110110000101111…
…01011110100110111
31011112122010102220001
423120113223310313
5200011311201241
65340325252131
7611552321335
oct133027536467
934478112801
1012220022071
11520097a4a4
122450564047
1311c990c2ba
1483cd32b55
154b7c32431
hex2d85ebd37

12220022071 has 2 divisors, whose sum is σ = 12220022072. Its totient is φ = 12220022070.

The previous prime is 12220022069. The next prime is 12220022183. The reversal of 12220022071 is 17022002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220022071 - 21 = 12220022069 is a prime.

Together with 12220022069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110011035 + 6110011036.

It is an arithmetic number, because the mean of its divisors is an integer number (6110011036).

Almost surely, 212220022071 is an apocalyptic number.

12220022071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220022071 is an equidigital number, since it uses as much as digits as its factorization.

12220022071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 12220022071 its reverse (17022002221), we get a palindrome (29242024292).

The spelling of 12220022071 in words is "twelve billion, two hundred twenty million, twenty-two thousand, seventy-one".