1222324231212 has 72 divisors (see below), whose sum is σ = 3539546748192. Its totient is φ = 348405926400.

The previous prime is 1222324231133. The next prime is 1222324231229. The reversal of 1222324231212 is 2121324232221.

1222324231212 is a `hidden beast` number, since 1 + 2 + 2 + 23 + 2 + 423 + 1 + 212 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5654589 + ... + 5866772.

Almost surely, 2^{1222324231212} is an apocalyptic number.

1222324231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222324231212 is an abundant number, since it is smaller than the sum of its proper divisors (2317222516980).

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

1222324231212 is a wasteful number, since it uses less digits than its factorization.

1222324231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521799 (or 11521794 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 1222324231212 its reverse (2121324232221), we get a palindrome (3343648463433).

The spelling of 1222324231212 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred twelve".