12022020019 has 4 divisors (see below), whose sum is σ = 12024902344. Its totient is φ = 12019137696.

The previous prime is 12022020013. The next prime is 12022020037. The reversal of 12022020019 is 91002022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91002022021 = 6367 ⋅14292763.

It is a cyclic number.

It is not a de Polignac number, because 12022020019 - 2³³ = 3432085427 is a prime.

It is a super-2 number, since 2×12022020019² (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 = 12022019978 and 12022020005.

It is not an unprimeable number, because it can be changed into a prime (12022020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434897 + ... + 1443250.

It is an arithmetic number, because the mean of its divisors is an integer number (3006225586).

Almost surely, 2^12022020019 is an apocalyptic number.

12022020019 is a deficient number, since it is larger than the sum of its proper divisors (2882325).

12022020019 is an equidigital number, since it uses as much as digits as its factorization.

12022020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882324.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 12022020019 in words is "twelve billion, twenty-two million, twenty thousand, nineteen".