12110120019 has 6 divisors (see below), whose sum is σ = 17492395596. Its totient is φ = 8073413340.

The previous prime is 12110119999. The next prime is 12110120047. The reversal of 12110120019 is 91002101121.

It is a happy number.

It is not a de Polignac number, because 12110120019 - 2⁷ = 12110119891 is a prime.

It is a super-2 number, since 2×12110120019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12110119983 and 12110120010.

It is not an unprimeable number, because it can be changed into a prime (12110122019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672784437 + ... + 672784454.

It is an arithmetic number, because the mean of its divisors is an integer number (2915399266).

Almost surely, 2^12110120019 is an apocalyptic number.

12110120019 is a deficient number, since it is larger than the sum of its proper divisors (5382275577).

12110120019 is a wasteful number, since it uses less digits than its factorization.

12110120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345568897 (or 1345568894 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 12110120019 in words is "twelve billion, one hundred ten million, one hundred twenty thousand, nineteen".