123032212 has 6 divisors (see below), whose sum is σ = 215306378. Its totient is φ = 61516104.

The previous prime is 123032209. The next prime is 123032219. The reversal of 123032212 is 212230321.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 55890576 = 8194^2 + 7476^2 .

It is a super-2 number, since 2×123032212² = 30273850379225888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15379023 + ... + 15379030.

Almost surely, 2^123032212 is an apocalyptic number.

It is an amenable number.

123032212 is a deficient number, since it is larger than the sum of its proper divisors (92274166).

123032212 is a wasteful number, since it uses less digits than its factorization.

123032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30758057 (or 30758055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123032212 is about 11091.9886404558. The cubic root of 123032212 is about 497.3623931937.

Adding to 123032212 its reverse (212230321), we get a palindrome (335262533).

The spelling of 123032212 in words is "one hundred twenty-three million, thirty-two thousand, two hundred twelve".