12010019 has 4 divisors (see below), whose sum is σ = 13725744. Its totient is φ = 10294296.

The previous prime is 12010013. The next prime is 12010021. The reversal of 12010019 is 91001021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91001021 = 467 ⋅194863.

It is a cyclic number.

It is not a de Polignac number, because 12010019 - 2⁸ = 12009763 is a prime.

It is a super-2 number, since 2×12010019² = 288481112760722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12009985 and 12010012.

It is not an unprimeable number, because it can be changed into a prime (12010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857852 + ... + 857865.

It is an arithmetic number, because the mean of its divisors is an integer number (3431436).

Almost surely, 2^12010019 is an apocalyptic number.

12010019 is a deficient number, since it is larger than the sum of its proper divisors (1715725).

12010019 is an equidigital number, since it uses as much as digits as its factorization.

12010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715724.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 12010019 is about 3465.5474315034. The cubic root of 12010019 is about 229.0065468530.

The spelling of 12010019 in words is "twelve million, ten thousand, nineteen".