12061065716261 has 4 divisors (see below), whose sum is σ = 12061119041472. Its totient is φ = 12061012391052.

The previous prime is 12061065716239. The next prime is 12061065716309. The reversal of 12061065716261 is 16261756016021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12061065716261 - 2⁶ = 12061065716197 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 (12061065716201) 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, 26321885 + ... + 26776178.

It is an arithmetic number, because the mean of its divisors is an integer number (3015279760368).

Almost surely, 2^{12061065716261} is an apocalyptic number.

It is an amenable number.

12061065716261 is a deficient number, since it is larger than the sum of its proper divisors (53325211).

12061065716261 is an equidigital number, since it uses as much as digits as its factorization.

12061065716261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53325210.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 12061065716261 in words is "twelve trillion, sixty-one billion, sixty-five million, seven hundred sixteen thousand, two hundred sixty-one".