1212210210219 has 4 divisors (see below), whose sum is σ = 1616280280296. Its totient is φ = 808140140144.

The previous prime is 1212210210151. The next prime is 1212210210221. The reversal of 1212210210219 is 9120120122121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212210210219 - 2¹⁷ = 1212210079147 is a prime.

It is a super-2 number, since 2×1212210210219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212210210019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202035035034 + ... + 202035035039.

It is an arithmetic number, because the mean of its divisors is an integer number (404070070074).

Almost surely, 2^{1212210210219} is an apocalyptic number.

1212210210219 is a deficient number, since it is larger than the sum of its proper divisors (404070070077).

1212210210219 is an equidigital number, since it uses as much as digits as its factorization.

1212210210219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404070070076.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 1212210210219 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred ten thousand, two hundred nineteen".