1210210219 has 2 divisors, whose sum is σ = 1210210220. Its totient is φ = 1210210218.

The previous prime is 1210210217. The next prime is 1210210231. The reversal of 1210210219 is 9120120121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210210219 - 2¹ = 1210210217 is a prime.

It is a super-2 number, since 2×1210210219² = 2929217548344055922, which contains 22 as substring.

Together with 1210210217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1210210196 and 1210210205.

It is not a weakly prime, because it can be changed into another prime (1210210217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605105109 + 605105110.

It is an arithmetic number, because the mean of its divisors is an integer number (605105110).

Almost surely, 2^1210210219 is an apocalyptic number.

1210210219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210210219 is an equidigital number, since it uses as much as digits as its factorization.

1210210219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1210210219 is about 34788.0758162908. The cubic root of 1210210219 is about 1065.6639438920.

The spelling of 1210210219 in words is "one billion, two hundred ten million, two hundred ten thousand, two hundred nineteen".