123031202212 has 12 divisors (see below), whose sum is σ = 215795050240. Its totient is φ = 61375473576.

The previous prime is 123031202201. The next prime is 123031202243. The reversal of 123031202212 is 212202130321.

It is a self number, because there is not a number n which added to its sum of digits gives 123031202212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35029908 + ... + 35033419.

Almost surely, 2^123031202212 is an apocalyptic number.

It is an amenable number.

123031202212 is a deficient number, since it is larger than the sum of its proper divisors (92763848028).

123031202212 is a wasteful number, since it uses less digits than its factorization.

123031202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70063770 (or 70063768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123031202212 its reverse (212202130321), we get a palindrome (335233332533).

The spelling of 123031202212 in words is "one hundred twenty-three billion, thirty-one million, two hundred two thousand, two hundred twelve".