1200322212 has 48 divisors (see below), whose sum is σ = 2843904000. Its totient is φ = 393990912.

The previous prime is 1200322187. The next prime is 1200322223. The reversal of 1200322212 is 2122230021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200322191 and 1200322200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205914 + ... + 211662.

It is an arithmetic number, because the mean of its divisors is an integer number (59248000).

Almost surely, 2^1200322212 is an apocalyptic number.

1200322212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200322212 is an abundant number, since it is smaller than the sum of its proper divisors (1643581788).

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

1200322212 is a wasteful number, since it uses less digits than its factorization.

1200322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1200322212 is about 34645.6665688510. Note that the first 3 decimals coincide. The cubic root of 1200322212 is about 1062.7536721552.

Adding to 1200322212 its reverse (2122230021), we get a palindrome (3322552233).

The spelling of 1200322212 in words is "one billion, two hundred million, three hundred twenty-two thousand, two hundred twelve".