1212541322 has 16 divisors (see below), whose sum is σ = 1843638720. Its totient is φ = 598036608.

The previous prime is 1212541321. The next prime is 1212541349. The reversal of 1212541322 is 2231452121.

It is not an unprimeable number, because it can be changed into a prime (1212541321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49379 + ... + 69737.

It is an arithmetic number, because the mean of its divisors is an integer number (115227420).

Almost surely, 2^1212541322 is an apocalyptic number.

1212541322 is a deficient number, since it is larger than the sum of its proper divisors (631097398).

1212541322 is a wasteful number, since it uses less digits than its factorization.

1212541322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765.

The product of its digits is 960, while the sum is 23.

The square root of 1212541322 is about 34821.5640372457. The cubic root of 1212541322 is about 1066.3477311880.

Adding to 1212541322 its reverse (2231452121), we get a palindrome (3443993443).

The spelling of 1212541322 in words is "one billion, two hundred twelve million, five hundred forty-one thousand, three hundred twenty-two".