149966212 has 12 divisors (see below), whose sum is σ = 286299216. Its totient is φ = 68166440.

The previous prime is 149966207. The next prime is 149966213. The reversal of 149966212 is 212669941.

It is not an unprimeable number, because it can be changed into a prime (149966213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704118 + ... + 1704205.

It is an arithmetic number, because the mean of its divisors is an integer number (23858268).

Almost surely, 2^149966212 is an apocalyptic number.

It is an amenable number.

149966212 is a deficient number, since it is larger than the sum of its proper divisors (136333004).

149966212 is a wasteful number, since it uses less digits than its factorization.

149966212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408338 (or 3408336 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 149966212 is about 12246.0692469053. The cubic root of 149966212 is about 531.2893870313.

The spelling of 149966212 in words is "one hundred forty-nine million, nine hundred sixty-six thousand, two hundred twelve".