1212210212219 has 4 divisors (see below), whose sum is σ = 1214528014296. Its totient is φ = 1209892410144.

The previous prime is 1212210212189. The next prime is 1212210212231. The reversal of 1212210212219 is 9122120122121.

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 1212210212219 - 2⁸ = 1212210211963 is a prime.

It is a super-2 number, since 2×1212210212219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212210212249) 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, 1158900254 + ... + 1158901299.

It is an arithmetic number, because the mean of its divisors is an integer number (303632003574).

Almost surely, 2^{1212210212219} is an apocalyptic number.

1212210212219 is a deficient number, since it is larger than the sum of its proper divisors (2317802077).

1212210212219 is an equidigital number, since it uses as much as digits as its factorization.

1212210212219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317802076.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1212210212219 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred nineteen".