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1222124212219 is a prime number
BaseRepresentation
bin10001110010001100010…
…001111000111111111011
311022211111221022112120211
4101302030101320333323
5130010402244242334
62333234111131551
7154203243255331
oct21621421707773
94284457275524
101222124212219
114313332911a9
12178a32b13bb7
138b3270a9c41
144321899db51
1521bcc1a2a64
hex11c8c478ffb

1222124212219 has 2 divisors, whose sum is σ = 1222124212220. Its totient is φ = 1222124212218.

The previous prime is 1222124212193. The next prime is 1222124212247. The reversal of 1222124212219 is 9122124212221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9122124212221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222124212219 - 213 = 1222124204027 is a prime.

It is a super-2 number, since 2×12221242122192 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222124212319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611062106109 + 611062106110.

It is an arithmetic number, because the mean of its divisors is an integer number (611062106110).

Almost surely, 21222124212219 is an apocalyptic number.

1222124212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222124212219 is an equidigital number, since it uses as much as digits as its factorization.

1222124212219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The spelling of 1222124212219 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, two hundred nineteen".