12213132011011 has 4 divisors (see below), whose sum is σ = 12213295016800. Its totient is φ = 12212969005224.

The previous prime is 12213132010993. The next prime is 12213132011021. The reversal of 12213132011011 is 11011023131221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213132011011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213132011011.

It is not an unprimeable number, because it can be changed into a prime (12213132011021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81390456 + ... + 81540373.

It is an arithmetic number, because the mean of its divisors is an integer number (3053323754200).

Almost surely, 2^{12213132011011} is an apocalyptic number.

12213132011011 is a deficient number, since it is larger than the sum of its proper divisors (163005789).

12213132011011 is an equidigital number, since it uses as much as digits as its factorization.

12213132011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163005788.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12213132011011 its reverse (11011023131221), we get a palindrome (23224155142232).

The spelling of 12213132011011 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, eleven thousand, eleven".