1213332313122 has 24 divisors (see below), whose sum is σ = 2628908391564. Its totient is φ = 404440763904.

The previous prime is 1213332313117. The next prime is 1213332313129. The reversal of 1213332313122 is 2213132333121.

1213332313122 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 332 + 313 + 12 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1194318936801 + 19013376321 = 1092849^2 + 137889^2 .

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 (1213332313129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3013758 + ... + 3392550.

Almost surely, 2^{1213332313122} is an apocalyptic number.

1213332313122 is an abundant number, since it is smaller than the sum of its proper divisors (1415576078442).

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

1213332313122 is a wasteful number, since it uses less digits than its factorization.

1213332313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556754 (or 556751 counting only the distinct ones).

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

Adding to 1213332313122 its reverse (2213132333121), we get a palindrome (3426464646243).

The spelling of 1213332313122 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, three hundred thirteen thousand, one hundred twenty-two".