12061605007 has 4 divisors (see below), whose sum is σ = 12586022640. Its totient is φ = 11537187376.

The previous prime is 12061605001. The next prime is 12061605011. The reversal of 12061605007 is 70050616021.

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 12061605007 - 2³ = 12061604999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061605001) 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, 262208782 + ... + 262208827.

It is an arithmetic number, because the mean of its divisors is an integer number (3146505660).

Almost surely, 2^12061605007 is an apocalyptic number.

12061605007 is a deficient number, since it is larger than the sum of its proper divisors (524417633).

12061605007 is an equidigital number, since it uses as much as digits as its factorization.

12061605007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524417632.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 12061605007 in words is "twelve billion, sixty-one million, six hundred five thousand, seven".