12021231010011 has 64 divisors (see below), whose sum is σ = 17169431846400. Its totient is φ = 7455195334656.

The previous prime is 12021231010003. The next prime is 12021231010027. The reversal of 12021231010011 is 11001013212021.

It is not a de Polignac number, because 12021231010011 - 2³ = 12021231010003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021231010111) 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 63 ways as a sum of consecutive naturals, for example, 1939843765 + ... + 1939849961.

It is an arithmetic number, because the mean of its divisors is an integer number (268272372600).

Almost surely, 2^{12021231010011} is an apocalyptic number.

12021231010011 is a deficient number, since it is larger than the sum of its proper divisors (5148200836389).

12021231010011 is a wasteful number, since it uses less digits than its factorization.

12021231010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12021231010011 its reverse (11001013212021), we get a palindrome (23022244222032).

The spelling of 12021231010011 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, ten thousand, eleven".