12061558307 has 4 divisors (see below), whose sum is σ = 12061785120. Its totient is φ = 12061331496.

The previous prime is 12061558279. The next prime is 12061558343. The reversal of 12061558307 is 70385516021.

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

It is a cyclic number.

It is not a de Polignac number, because 12061558307 - 2²² = 12057364003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12061548307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14294 + ... + 155972.

It is an arithmetic number, because the mean of its divisors is an integer number (3015446280).

Almost surely, 2^12061558307 is an apocalyptic number.

12061558307 is a deficient number, since it is larger than the sum of its proper divisors (226813).

12061558307 is an equidigital number, since it uses as much as digits as its factorization.

12061558307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226812.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 12061558307 in words is "twelve billion, sixty-one million, five hundred fifty-eight thousand, three hundred seven".