1222423003212 has 12 divisors (see below), whose sum is σ = 2852320340856. Its totient is φ = 407474334400.

The previous prime is 1222423003199. The next prime is 1222423003213. The reversal of 1222423003212 is 2123003242221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1222423003213) 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 3 ways as a sum of consecutive naturals, for example, 50934291789 + ... + 50934291812.

It is an arithmetic number, because the mean of its divisors is an integer number (237693361738).

Almost surely, 2^{1222423003212} is an apocalyptic number.

1222423003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222423003212 is an abundant number, since it is smaller than the sum of its proper divisors (1629897337644).

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

1222423003212 is a wasteful number, since it uses less digits than its factorization.

1222423003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101868583608 (or 101868583606 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1222423003212 its reverse (2123003242221), we get a palindrome (3345426245433).

The spelling of 1222423003212 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, three thousand, two hundred twelve".