2311212000222 has 12 divisors (see below), whose sum is σ = 5007626000520. Its totient is φ = 770404000068.

The previous prime is 2311212000199. The next prime is 2311212000301. The reversal of 2311212000222 is 2220002121132.

2311212000222 is a `hidden beast` number, since 231 + 1 + 212 + 0 + 0 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 128400666679 = 2311212000222 / (2 + 3 + 1 + 1 + 2 + 1 + 2 + 0 + 0 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2311212000195 and 2311212000204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64200333322 + ... + 64200333357.

It is an arithmetic number, because the mean of its divisors is an integer number (417302166710).

Almost surely, 2^{2311212000222} is an apocalyptic number.

2311212000222 is an abundant number, since it is smaller than the sum of its proper divisors (2696414000298).

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

2311212000222 is a wasteful number, since it uses less digits than its factorization.

2311212000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128400666687 (or 128400666684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2311212000222 its reverse (2220002121132), we get a palindrome (4531214121354).

The spelling of 2311212000222 in words is "two trillion, three hundred eleven billion, two hundred twelve million, two hundred twenty-two", and thus it is an aban number.