123000212 has 6 divisors (see below), whose sum is σ = 215250378. Its totient is φ = 61500104.

The previous prime is 123000211. The next prime is 123000233. The reversal of 123000212 is 212000321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 34527376 = 9406^2 + 5876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123000193 and 123000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375023 + ... + 15375030.

It is an arithmetic number, because the mean of its divisors is an integer number (35875063).

Almost surely, 2^123000212 is an apocalyptic number.

It is an amenable number.

123000212 is a deficient number, since it is larger than the sum of its proper divisors (92250166).

123000212 is a wasteful number, since it uses less digits than its factorization.

123000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30750057 (or 30750055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123000212 is about 11090.5460641034. The cubic root of 123000212 is about 497.3192690493.

Adding to 123000212 its reverse (212000321), we get a palindrome (335000533).

The spelling of 123000212 in words is "one hundred twenty-three million, two hundred twelve", and thus it is an aban number.