12601062066 has 16 divisors (see below), whose sum is σ = 25433337600. Its totient is φ = 4161818448.

The previous prime is 12601062053. The next prime is 12601062079. The reversal of 12601062066 is 66026010621.

It is an interprime number because it is at equal distance from previous prime (12601062053) and next prime (12601062079).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9633186 + ... + 9634493.

It is an arithmetic number, because the mean of its divisors is an integer number (1589583600).

Almost surely, 2^12601062066 is an apocalyptic number.

12601062066 is an abundant number, since it is smaller than the sum of its proper divisors (12832275534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12601062066 is a wasteful number, since it uses less digits than its factorization.

12601062066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19267793.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 12601062066 its reverse (66026010621), we get a palindrome (78627072687).

The spelling of 12601062066 in words is "twelve billion, six hundred one million, sixty-two thousand, sixty-six".