4212145115 has 8 divisors (see below), whose sum is σ = 5072436528. Its totient is φ = 3357807840.

The previous prime is 4212145081. The next prime is 4212145117. The reversal of 4212145115 is 5115412124.

It is a happy number.

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

It is not a de Polignac number, because 4212145115 - 2²⁶ = 4145036251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4212145117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486976 + ... + 1489805.

It is an arithmetic number, because the mean of its divisors is an integer number (634054566).

Almost surely, 2^4212145115 is an apocalyptic number.

4212145115 is a deficient number, since it is larger than the sum of its proper divisors (860291413).

4212145115 is a wasteful number, since it uses less digits than its factorization.

4212145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977069.

The product of its digits is 1600, while the sum is 26.

The square root of 4212145115 is about 64901.0409392638. The cubic root of 4212145115 is about 1614.9823300632.

Adding to 4212145115 its reverse (5115412124), we get a palindrome (9327557239).

The spelling of 4212145115 in words is "four billion, two hundred twelve million, one hundred forty-five thousand, one hundred fifteen".