1212255322 has 8 divisors (see below), whose sum is σ = 1825992000. Its totient is φ = 603591324.

The previous prime is 1212255313. The next prime is 1212255367. The reversal of 1212255322 is 2235522121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267572 + ... + 1268527.

It is an arithmetic number, because the mean of its divisors is an integer number (228249000).

Almost surely, 2^1212255322 is an apocalyptic number.

1212255322 is a deficient number, since it is larger than the sum of its proper divisors (613736678).

1212255322 is a wasteful number, since it uses less digits than its factorization.

1212255322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536340.

The product of its digits is 2400, while the sum is 25.

The square root of 1212255322 is about 34817.4571443694. The cubic root of 1212255322 is about 1066.2638854042.

Adding to 1212255322 its reverse (2235522121), we get a palindrome (3447777443).

The spelling of 1212255322 in words is "one billion, two hundred twelve million, two hundred fifty-five thousand, three hundred twenty-two".