1223133313122 has 48 divisors (see below), whose sum is σ = 3029260770432. Its totient is φ = 349403232960.

The previous prime is 1223133313121. The next prime is 1223133313147. The reversal of 1223133313122 is 2213133313221.

1223133313122 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 13 + 331 + 312 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1223133313121) 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, 181779 + ... + 1574582.

It is an arithmetic number, because the mean of its divisors is an integer number (63109599384).

Almost surely, 2^{1223133313122} is an apocalyptic number.

1223133313122 is an abundant number, since it is smaller than the sum of its proper divisors (1806127457310).

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

1223133313122 is a wasteful number, since it uses less digits than its factorization.

1223133313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761903 (or 1761900 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1223133313122 its reverse (2213133313221), we get a palindrome (3436266626343).

Subtracting 1223133313122 from its reverse (2213133313221), we obtain a palindrome (990000000099).

The spelling of 1223133313122 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred twenty-two".