1230199966 has 8 divisors (see below), whose sum is σ = 1845450504. Its totient is φ = 615049800.

The previous prime is 1230199963. The next prime is 1230200017. The reversal of 1230199966 is 6699910321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230199963) 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, 28116 + ... + 57016.

It is an arithmetic number, because the mean of its divisors is an integer number (230681313).

Almost surely, 2^1230199966 is an apocalyptic number.

1230199966 is a deficient number, since it is larger than the sum of its proper divisors (615250538).

1230199966 is a wasteful number, since it uses less digits than its factorization.

1230199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50186.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 1230199966 is about 35074.2065626580. The cubic root of 1230199966 is about 1071.4993293697.

The spelling of 1230199966 in words is "one billion, two hundred thirty million, one hundred ninety-nine thousand, nine hundred sixty-six".