1212404322 has 8 divisors (see below), whose sum is σ = 2424808656. Its totient is φ = 404134772.

The previous prime is 1212404279. The next prime is 1212404371. The reversal of 1212404322 is 2234042121.

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

1212404322 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, 101033688 + ... + 101033699.

It is an arithmetic number, because the mean of its divisors is an integer number (303101082).

Almost surely, 2^1212404322 is an apocalyptic number.

1212404322 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.

1212404322 is a wasteful number, since it uses less digits than its factorization.

1212404322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202067392.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1212404322 is about 34819.5968098426. The cubic root of 1212404322 is about 1066.3075689439.

Adding to 1212404322 its reverse (2234042121), we get a palindrome (3446446443).

The spelling of 1212404322 in words is "one billion, two hundred twelve million, four hundred four thousand, three hundred twenty-two".