12066450202061 has 4 divisors (see below), whose sum is σ = 12294119073852. Its totient is φ = 11838781330272.

The previous prime is 12066450202013. The next prime is 12066450202067. The reversal of 12066450202061 is 16020205466021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7700569500100 + 4365880701961 = 2774990^2 + 2089469^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066450202061 - 2⁶ = 12066450201997 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 (12066450202067) 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, 113834435816 + ... + 113834435921.

It is an arithmetic number, because the mean of its divisors is an integer number (3073529768463).

Almost surely, 2^{12066450202061} is an apocalyptic number.

It is an amenable number.

12066450202061 is a deficient number, since it is larger than the sum of its proper divisors (227668871791).

12066450202061 is an equidigital number, since it uses as much as digits as its factorization.

12066450202061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227668871790.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 12066450202061 its reverse (16020205466021), we get a palindrome (28086655668082).

The spelling of 12066450202061 in words is "twelve trillion, sixty-six billion, four hundred fifty million, two hundred two thousand, sixty-one".