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212420120219 is a prime number
BaseRepresentation
bin1100010111010100111…
…0011100111010011011
3202022021220221011102222
43011311032130322123
511440014022321334
6241330124214255
721226653142016
oct3056516347233
9668256834388
10212420120219
11820a569036a
123520309a38b
131705351b338
14a3d182037d
1557d3a2ed2e
hex317539ce9b

212420120219 has 2 divisors, whose sum is σ = 212420120220. Its totient is φ = 212420120218.

The previous prime is 212420120201. The next prime is 212420120273. The reversal of 212420120219 is 912021024212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212420120219 is a prime.

It is a super-2 number, since 2×2124201202192 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212420120279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106210060109 + 106210060110.

It is an arithmetic number, because the mean of its divisors is an integer number (106210060110).

Almost surely, 2212420120219 is an apocalyptic number.

212420120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212420120219 is an equidigital number, since it uses as much as digits as its factorization.

212420120219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 212420120219 in words is "two hundred twelve billion, four hundred twenty million, one hundred twenty thousand, two hundred nineteen".