12112020219 has 16 divisors (see below), whose sum is σ = 17409658112. Its totient is φ = 7445819808.

The previous prime is 12112020211. The next prime is 12112020301. The reversal of 12112020219 is 91202021121.

It is not a de Polignac number, because 12112020219 - 2³ = 12112020211 is a prime.

It is a super-2 number, since 2×12112020219² (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 = 12112020195 and 12112020204.

It is not an unprimeable number, because it can be changed into a prime (12112020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122869 + ... + 198294.

It is an arithmetic number, because the mean of its divisors is an integer number (1088103632).

Almost surely, 2^12112020219 is an apocalyptic number.

12112020219 is a deficient number, since it is larger than the sum of its proper divisors (5297637893).

12112020219 is a wasteful number, since it uses less digits than its factorization.

12112020219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322146.

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

The spelling of 12112020219 in words is "twelve billion, one hundred twelve million, twenty thousand, two hundred nineteen".