4012512135 has 8 divisors (see below), whose sum is σ = 6420019440. Its totient is φ = 2140006464.

The previous prime is 4012512121. The next prime is 4012512197. The reversal of 4012512135 is 5312152104.

It is a happy number.

4012512135 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 4012512135 - 2⁵ = 4012512103 is a prime.

It is a super-2 number, since 2×4012512135² = 32200507267044516450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 133750390 + ... + 133750419.

It is an arithmetic number, because the mean of its divisors is an integer number (802502430).

Almost surely, 2^4012512135 is an apocalyptic number.

4012512135 is a deficient number, since it is larger than the sum of its proper divisors (2407507305).

4012512135 is a wasteful number, since it uses less digits than its factorization.

4012512135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267500817.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 4012512135 is about 63344.3930825768. The cubic root of 4012512135 is about 1589.0544771965.

Adding to 4012512135 its reverse (5312152104), we get a palindrome (9324664239).

The spelling of 4012512135 in words is "four billion, twelve million, five hundred twelve thousand, one hundred thirty-five".