1224332220312 has 96 divisors (see below), whose sum is σ = 3423179335680. Its totient is φ = 394909525440.

The previous prime is 1224332220301. The next prime is 1224332220317. The reversal of 1224332220312 is 2130222334221.

1224332220312 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 322 + 20 + 312 = 666.

It is a super-2 number, since 2×1224332220312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224332220317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35299603 + ... + 35334269.

It is an arithmetic number, because the mean of its divisors is an integer number (35658118080).

Almost surely, 2^{1224332220312} is an apocalyptic number.

1224332220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224332220312 is an abundant number, since it is smaller than the sum of its proper divisors (2198847115368).

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

1224332220312 is a wasteful number, since it uses less digits than its factorization.

1224332220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50533 (or 50526 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1224332220312 its reverse (2130222334221), we get a palindrome (3354554554533).

The spelling of 1224332220312 in words is "one trillion, two hundred twenty-four billion, three hundred thirty-two million, two hundred twenty thousand, three hundred twelve".