1212333312222 has 32 divisors (see below), whose sum is σ = 2694883215360. Its totient is φ = 403989725880.

The previous prime is 1212333312143. The next prime is 1212333312247. The reversal of 1212333312222 is 2222133332121.

1212333312222 is a `hidden beast` number, since 1 + 2 + 12 + 333 + 312 + 2 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3190078 + ... + 3549825.

It is an arithmetic number, because the mean of its divisors is an integer number (84215100480).

Almost surely, 2^{1212333312222} is an apocalyptic number.

1212333312222 is an abundant number, since it is smaller than the sum of its proper divisors (1482549903138).

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

1212333312222 is a wasteful number, since it uses less digits than its factorization.

1212333312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743245 (or 6743239 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1212333312222 its reverse (2222133332121), we get a palindrome (3434466644343).

The spelling of 1212333312222 in words is "one trillion, two hundred twelve billion, three hundred thirty-three million, three hundred twelve thousand, two hundred twenty-two".