1361212246066 has 8 divisors (see below), whose sum is σ = 2041826077980. Its totient is φ = 680603553408.

The previous prime is 1361212246063. The next prime is 1361212246099. The reversal of 1361212246066 is 6606422121631.

It can be written as a sum of positive squares in 2 ways, for example, as 1342750230441 + 18462015625 = 1158771^2 + 135875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1361212246063) 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 3 ways as a sum of consecutive naturals, for example, 535171 + ... + 1734598.

Almost surely, 2^{1361212246066} is an apocalyptic number.

1361212246066 is a deficient number, since it is larger than the sum of its proper divisors (680613831914).

1361212246066 is a wasteful number, since it uses less digits than its factorization.

1361212246066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569628.

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 1361212246066 its reverse (6606422121631), we get a palindrome (7967634367697).

The spelling of 1361212246066 in words is "one trillion, three hundred sixty-one billion, two hundred twelve million, two hundred forty-six thousand, sixty-six".