12020012212011 has 16 divisors (see below), whose sum is σ = 16969783824000. Its totient is φ = 7541810749568.

The previous prime is 12020012211947. The next prime is 12020012212027. The reversal of 12020012212011 is 11021221002021.

It is a cyclic number.

It is not a de Polignac number, because 12020012212011 - 2⁶ = 12020012211947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020012412011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23380 + ... + 4903118.

It is an arithmetic number, because the mean of its divisors is an integer number (1060611489000).

Almost surely, 2^{12020012212011} is an apocalyptic number.

12020012212011 is a deficient number, since it is larger than the sum of its proper divisors (4949771611989).

12020012212011 is a wasteful number, since it uses less digits than its factorization.

12020012212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928058.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020012212011 its reverse (11021221002021), we get a palindrome (23041233214032).

The spelling of 12020012212011 in words is "twelve trillion, twenty billion, twelve million, two hundred twelve thousand, eleven".