12212111011233 has 16 divisors (see below), whose sum is σ = 19703574069120. Its totient is φ = 6567858022656.

The previous prime is 12212111011229. The next prime is 12212111011253. The reversal of 12212111011233 is 33211011121221.

It is not a de Polignac number, because 12212111011233 - 2² = 12212111011229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12212111011253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17103796578 + ... + 17103797291.

It is an arithmetic number, because the mean of its divisors is an integer number (1231473379320).

Almost surely, 2^{12212111011233} is an apocalyptic number.

It is an amenable number.

12212111011233 is a deficient number, since it is larger than the sum of its proper divisors (7491463057887).

12212111011233 is a wasteful number, since it uses less digits than its factorization.

12212111011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34207593896.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12212111011233 its reverse (33211011121221), we get a palindrome (45423122132454).

The spelling of 12212111011233 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, eleven thousand, two hundred thirty-three".