12061512245 has 4 divisors (see below), whose sum is σ = 14473814700. Its totient is φ = 9649209792.

The previous prime is 12061512233. The next prime is 12061512263. The reversal of 12061512245 is 54221516021.

12061512245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54221516021 = 29 ⋅1869707449.

It can be written as a sum of positive squares in 2 ways, for example, as 4664480209 + 7397032036 = 68297^2 + 86006^2 .

It is a cyclic number.

It is not a de Polignac number, because 12061512245 - 2¹² = 12061508149 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1206151220 + ... + 1206151229.

It is an arithmetic number, because the mean of its divisors is an integer number (3618453675).

Almost surely, 2^12061512245 is an apocalyptic number.

It is an amenable number.

12061512245 is a deficient number, since it is larger than the sum of its proper divisors (2412302455).

12061512245 is an equidigital number, since it uses as much as digits as its factorization.

12061512245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412302454.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 12061512245 in words is "twelve billion, sixty-one million, five hundred twelve thousand, two hundred forty-five".