219100012 has 12 divisors (see below), whose sum is σ = 405979560. Its totient is φ = 103105856.

The previous prime is 219099973. The next prime is 219100027. The reversal of 219100012 is 210001912.

219100012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610962 + ... + 1611097.

It is an arithmetic number, because the mean of its divisors is an integer number (33831630).

Almost surely, 2^219100012 is an apocalyptic number.

It is an amenable number.

219100012 is a deficient number, since it is larger than the sum of its proper divisors (186879548).

219100012 is a wasteful number, since it uses less digits than its factorization.

219100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222080 (or 3222078 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 219100012 is about 14802.0272935838. The cubic root of 219100012 is about 602.8567581160.

Adding to 219100012 its reverse (210001912), we get a palindrome (429101924).

The spelling of 219100012 in words is "two hundred nineteen million, one hundred thousand, twelve".