123232212 has 24 divisors (see below), whose sum is σ = 319491200. Its totient is φ = 41077368.

The previous prime is 123232211. The next prime is 123232231. The reversal of 123232212 is 212232321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570412 + ... + 570627.

Almost surely, 2^123232212 is an apocalyptic number.

123232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123232212 is an abundant number, since it is smaller than the sum of its proper divisors (196258988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123232212 is a wasteful number, since it uses less digits than its factorization.

123232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141052 (or 1141044 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 123232212 is about 11101.0004954508. Note that the first 3 decimals coincide. The cubic root of 123232212 is about 497.6317498257.

Adding to 123232212 its reverse (212232321), we get a palindrome (335464533).

It can be divided in two parts, 12323 and 2212, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 123232212 in words is "one hundred twenty-three million, two hundred thirty-two thousand, two hundred twelve".