1230020212 has 12 divisors (see below), whose sum is σ = 2172653280. Its totient is φ = 609262136.

The previous prime is 1230020191. The next prime is 1230020249. The reversal of 1230020212 is 2120200321.

It is a junction number, because it is equal to n+sod(n) for n = 1230020192 and 1230020201.

It is a congruent number.

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, 1436512 + ... + 1437367.

It is an arithmetic number, because the mean of its divisors is an integer number (181054440).

Almost surely, 2^1230020212 is an apocalyptic number.

It is an amenable number.

1230020212 is a deficient number, since it is larger than the sum of its proper divisors (942633068).

1230020212 is a wasteful number, since it uses less digits than its factorization.

1230020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873990 (or 2873988 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1230020212 is about 35071.6439877004. The cubic root of 1230020212 is about 1071.4471384854.

Adding to 1230020212 its reverse (2120200321), we get a palindrome (3350220533).

The spelling of 1230020212 in words is "one billion, two hundred thirty million, twenty thousand, two hundred twelve".