123297212 has 12 divisors (see below), whose sum is σ = 223210680. Its totient is φ = 59522736.

The previous prime is 123297191. The next prime is 123297233. The reversal of 123297212 is 212792321.

It is an interprime number because it is at equal distance from previous prime (123297191) and next prime (123297233).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531338 + ... + 531569.

It is an arithmetic number, because the mean of its divisors is an integer number (18600890).

Almost surely, 2^123297212 is an apocalyptic number.

It is an amenable number.

123297212 is a deficient number, since it is larger than the sum of its proper divisors (99913468).

123297212 is a wasteful number, since it uses less digits than its factorization.

123297212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062940 (or 1062938 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 123297212 is about 11103.9277735403. The cubic root of 123297212 is about 497.7192279772.

The spelling of 123297212 in words is "one hundred twenty-three million, two hundred ninety-seven thousand, two hundred twelve".