4012115245 has 4 divisors (see below), whose sum is σ = 4814538300. Its totient is φ = 3209692192.

The previous prime is 4012115203. The next prime is 4012115257. The reversal of 4012115245 is 5425112104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2585315716 + 1426799529 = 50846^2 + 37773^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012115245 - 2⁷ = 4012115117 is a prime.

It is a super-2 number, since 2×4012115245² = 32194137478322820050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401211520 + ... + 401211529.

It is an arithmetic number, because the mean of its divisors is an integer number (1203634575).

Almost surely, 2^4012115245 is an apocalyptic number.

It is an amenable number.

4012115245 is a deficient number, since it is larger than the sum of its proper divisors (802423055).

4012115245 is an equidigital number, since it uses as much as digits as its factorization.

4012115245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802423054.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4012115245 is about 63341.2602100716. The cubic root of 4012115245 is about 1589.0020827027.

Adding to 4012115245 its reverse (5425112104), we get a palindrome (9437227349).

The spelling of 4012115245 in words is "four billion, twelve million, one hundred fifteen thousand, two hundred forty-five".