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12220021212109 is a prime number
BaseRepresentation
bin1011000111010011001000…
…0001100000001111001101
31121021020000021210202002021
42301310302001200033031
53100203100412241414
641553444504130141
72400603342321214
oct261646201401715
947236007722067
1012220021212109
113991533442a97
1214543a4466951
136a845c902719
14303648b0807b
15162d0de00c24
hexb1d320603cd

12220021212109 has 2 divisors, whose sum is σ = 12220021212110. Its totient is φ = 12220021212108.

The previous prime is 12220021212083. The next prime is 12220021212121. The reversal of 12220021212109 is 90121212002221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11377655194084 + 842366018025 = 3373078^2 + 917805^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220021212109 - 225 = 12219987657677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220021210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110010606054 + 6110010606055.

It is an arithmetic number, because the mean of its divisors is an integer number (6110010606055).

Almost surely, 212220021212109 is an apocalyptic number.

It is an amenable number.

12220021212109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220021212109 is an equidigital number, since it uses as much as digits as its factorization.

12220021212109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 12220021212109 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred nine".