12031322220011 has 8 divisors (see below), whose sum is σ = 12210960374784. Its totient is φ = 11851686011880.

The previous prime is 12031322219953. The next prime is 12031322220083. The reversal of 12031322220011 is 11002222313021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12031322220011 - 2⁶ = 12031322219947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031322220091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16212266 + ... + 16938128.

It is an arithmetic number, because the mean of its divisors is an integer number (1526370046848).

Almost surely, 2^{12031322220011} is an apocalyptic number.

12031322220011 is a deficient number, since it is larger than the sum of its proper divisors (179638154773).

12031322220011 is an equidigital number, since it uses as much as digits as its factorization.

12031322220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973321.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12031322220011 its reverse (11002222313021), we get a palindrome (23033544533032).

The spelling of 12031322220011 in words is "twelve trillion, thirty-one billion, three hundred twenty-two million, two hundred twenty thousand, eleven".