1212012233322 has 128 divisors (see below), whose sum is σ = 2730574872576. Its totient is φ = 355488000000.

The previous prime is 1212012233297. The next prime is 1212012233329. The reversal of 1212012233322 is 2233322102121.

It is a junction number, because it is equal to n+sod(n) for n = 1212012233292 and 1212012233301.

It is not an unprimeable number, because it can be changed into a prime (1212012233329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 360608922 + ... + 360612282.

It is an arithmetic number, because the mean of its divisors is an integer number (21332616192).

Almost surely, 2^{1212012233322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212012233322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365287436288).

1212012233322 is an abundant number, since it is smaller than the sum of its proper divisors (1518562639254).

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

1212012233322 is a wasteful number, since it uses less digits than its factorization.

1212012233322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1212012233322 its reverse (2233322102121), we get a palindrome (3445334335443).

The spelling of 1212012233322 in words is "one trillion, two hundred twelve billion, twelve million, two hundred thirty-three thousand, three hundred twenty-two".