12011019 has 8 divisors (see below), whose sum is σ = 16317072. Its totient is φ = 7856160.

The previous prime is 12011009. The next prime is 12011029. The reversal of 12011019 is 91011021.

12011019 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12011009) and next prime (12011029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011019 - 2⁹ = 12010507 is a prime.

It is a super-2 number, since 2×12011019² = 288529154836722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010989 and 12011007.

It is not an unprimeable number, because it can be changed into a prime (12011009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37612 + ... + 37929.

It is an arithmetic number, because the mean of its divisors is an integer number (2039634).

Almost surely, 2^12011019 is an apocalyptic number.

12011019 is a deficient number, since it is larger than the sum of its proper divisors (4306053).

12011019 is an equidigital number, since it uses as much as digits as its factorization.

12011019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75597.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 12011019 is about 3465.6917058504. The cubic root of 12011019 is about 229.0129026628.

The spelling of 12011019 in words is "twelve million, eleven thousand, nineteen".