1201223212 has 12 divisors (see below), whose sum is σ = 2402446480. Its totient is φ = 514809936.

The previous prime is 1201223209. The next prime is 1201223269. The reversal of 1201223212 is 2123221021.

It is a happy number.

1201223212 is an admirable 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, 21450387 + ... + 21450442.

Almost surely, 2^1201223212 is an apocalyptic number.

It is an amenable number.

1201223212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1201223212 is a wasteful number, since it uses less digits than its factorization.

1201223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42900840 (or 42900838 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1201223212 is about 34658.6671988408. The cubic root of 1201223212 is about 1063.0195178762.

Adding to 1201223212 its reverse (2123221021), we get a palindrome (3324444233).

The spelling of 1201223212 in words is "one billion, two hundred one million, two hundred twenty-three thousand, two hundred twelve".