4012126919 has 8 divisors (see below), whose sum is σ = 4153098240. Its totient is φ = 3871877400.

The previous prime is 4012126903. The next prime is 4012126991. The reversal of 4012126919 is 9196212104.

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

It is a cyclic number.

It is not a de Polignac number, because 4012126919 - 2⁴ = 4012126903 is a prime.

It is a super-2 number, since 2×4012126919² = 32194324828328865122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012126219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169127 + ... + 191384.

It is an arithmetic number, because the mean of its divisors is an integer number (519137280).

Almost surely, 2^4012126919 is an apocalyptic number.

4012126919 is a deficient number, since it is larger than the sum of its proper divisors (140971321).

4012126919 is a wasteful number, since it uses less digits than its factorization.

4012126919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360901.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 4012126919 is about 63341.3523616287. The cubic root of 4012126919 is about 1589.0036238675.

The spelling of 4012126919 in words is "four billion, twelve million, one hundred twenty-six thousand, nine hundred nineteen".