2311222233312 has 48 divisors (see below), whose sum is σ = 6741064849680. Its totient is φ = 770407410816.

The previous prime is 2311222233311. The next prime is 2311222233373. The reversal of 2311222233312 is 2133322221132.

2311222233312 is a `hidden beast` number, since 2 + 3 + 1 + 122 + 223 + 3 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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 not an unprimeable number, because it can be changed into a prime (2311222233311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337512003 + ... + 1337513730.

It is an arithmetic number, because the mean of its divisors is an integer number (140438851035).

Almost surely, 2^{2311222233312} is an apocalyptic number.

It is an amenable number.

2311222233312 is an abundant number, since it is smaller than the sum of its proper divisors (4429842616368).

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

2311222233312 is a wasteful number, since it uses less digits than its factorization.

2311222233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675025752 (or 2675025738 counting only the distinct ones).

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

Adding to 2311222233312 its reverse (2133322221132), we get a palindrome (4444544454444).

The spelling of 2311222233312 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, two hundred thirty-three thousand, three hundred twelve".