1206643100223 has 8 divisors (see below), whose sum is σ = 1755117236736. Its totient is φ = 731298848600.

The previous prime is 1206643100219. The next prime is 1206643100231. The reversal of 1206643100223 is 3220013466021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206643100223 - 2² = 1206643100219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206643100203) 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 7 ways as a sum of consecutive naturals, for example, 18282471183 + ... + 18282471248.

It is an arithmetic number, because the mean of its divisors is an integer number (219389654592).

Almost surely, 2^{1206643100223} is an apocalyptic number.

1206643100223 is a deficient number, since it is larger than the sum of its proper divisors (548474136513).

1206643100223 is a wasteful number, since it uses less digits than its factorization.

1206643100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36564942445.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1206643100223 its reverse (3220013466021), we get a palindrome (4426656566244).

The spelling of 1206643100223 in words is "one trillion, two hundred six billion, six hundred forty-three million, one hundred thousand, two hundred twenty-three".