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12190219 is a prime number
BaseRepresentation
bin101110100000…
…001000001011
3211221022211121
4232200020023
511110041334
61113140111
7205420666
oct56401013
924838747
1012190219
116976768
1240ba637
1326aa762
1418946dd
15110bdb4
hexba020b

12190219 has 2 divisors, whose sum is σ = 12190220. Its totient is φ = 12190218.

The previous prime is 12190187. The next prime is 12190231. The reversal of 12190219 is 91209121.

It is a strong prime.

It is an emirp because it is prime and its reverse (91209121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12190219 - 25 = 12190187 is a prime.

It is a super-2 number, since 2×121902192 = 297202878535922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12190193 and 12190202.

It is not a weakly prime, because it can be changed into another prime (12190259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095109 + 6095110.

It is an arithmetic number, because the mean of its divisors is an integer number (6095110).

Almost surely, 212190219 is an apocalyptic number.

12190219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190219 is an equidigital number, since it uses as much as digits as its factorization.

12190219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 12190219 is about 3491.4494124933. The cubic root of 12190219 is about 230.1462145279.

The spelling of 12190219 in words is "twelve million, one hundred ninety thousand, two hundred nineteen".