12010221219 has 4 divisors (see below), whose sum is σ = 16013628296. Its totient is φ = 8006814144.

The previous prime is 12010221203. The next prime is 12010221277. The reversal of 12010221219 is 91212201021.

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

It is not a de Polignac number, because 12010221219 - 2⁴ = 12010221203 is a prime.

It is a super-2 number, since 2×12010221219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010221195 and 12010221204.

It is not an unprimeable number, because it can be changed into a prime (12010221019) 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, 2001703534 + ... + 2001703539.

It is an arithmetic number, because the mean of its divisors is an integer number (4003407074).

Almost surely, 2^12010221219 is an apocalyptic number.

12010221219 is a deficient number, since it is larger than the sum of its proper divisors (4003407077).

12010221219 is an equidigital number, since it uses as much as digits as its factorization.

12010221219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003407076.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12010221219 in words is "twelve billion, ten million, two hundred twenty-one thousand, two hundred nineteen".