1200666610497 has 16 divisors (see below), whose sum is σ = 1620233737920. Its totient is φ = 790787027712.

The previous prime is 1200666610489. The next prime is 1200666610499. The reversal of 1200666610497 is 7940166660021.

It is not a de Polignac number, because 1200666610497 - 2³ = 1200666610489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200666610499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1566163 + ... + 2203224.

It is an arithmetic number, because the mean of its divisors is an integer number (101264608620).

Almost surely, 2^{1200666610497} is an apocalyptic number.

It is an amenable number.

1200666610497 is a deficient number, since it is larger than the sum of its proper divisors (419567127423).

1200666610497 is a wasteful number, since it uses less digits than its factorization.

1200666610497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770672.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 1200666610497 in words is "one trillion, two hundred billion, six hundred sixty-six million, six hundred ten thousand, four hundred ninety-seven".