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12222202087 is a prime number
BaseRepresentation
bin10110110001000000…
…00000000011100111
31011112210020012022101
423120200000003213
5200012340431322
65340444112531
7611610001144
oct133040000347
934483205271
1012222202087
115202129367
122451235747
1311ca1c3654
1483d33d3cb
154b8013327
hex2d88000e7

12222202087 has 2 divisors, whose sum is σ = 12222202088. Its totient is φ = 12222202086.

The previous prime is 12222202007. The next prime is 12222202129. The reversal of 12222202087 is 78020222221.

It is a strong prime.

It is an emirp because it is prime and its reverse (78020222221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12222202087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222202007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111101043 + 6111101044.

It is an arithmetic number, because the mean of its divisors is an integer number (6111101044).

Almost surely, 212222202087 is an apocalyptic number.

12222202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222202087 is an equidigital number, since it uses as much as digits as its factorization.

12222202087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 12222202087 in words is "twelve billion, two hundred twenty-two million, two hundred two thousand, eighty-seven".