12512019 has 8 divisors (see below), whose sum is σ = 17966032. Its totient is φ = 7699680.

The previous prime is 12511991. The next prime is 12512029. The reversal of 12512019 is 91021521.

12512019 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12512019 - 2¹¹ = 12509971 is a prime.

It is a super-2 number, since 2×12512019² = 313101238912722, 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 = 12511986 and 12512004.

It is not an unprimeable number, because it can be changed into a prime (12512029) 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, 160372 + ... + 160449.

It is an arithmetic number, because the mean of its divisors is an integer number (2245754).

Almost surely, 2^12512019 is an apocalyptic number.

12512019 is a deficient number, since it is larger than the sum of its proper divisors (5454013).

12512019 is a wasteful number, since it uses less digits than its factorization.

12512019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320837.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 12512019 is about 3537.2332408254. The cubic root of 12512019 is about 232.1538008614.

The spelling of 12512019 in words is "twelve million, five hundred twelve thousand, nineteen".