12020012200111 has 32 divisors (see below), whose sum is σ = 13118745261888. Its totient is φ = 10968295464960.

The previous prime is 12020012200013. The next prime is 12020012200127. The reversal of 12020012200111 is 11100221002021.

It is not a de Polignac number, because 12020012200111 - 2¹³ = 12020012191919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020012200091 and 12020012200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020012200171) 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 31 ways as a sum of consecutive naturals, for example, 282982371 + ... + 283024843.

It is an arithmetic number, because the mean of its divisors is an integer number (409960789434).

Almost surely, 2^{12020012200111} is an apocalyptic number.

12020012200111 is a deficient number, since it is larger than the sum of its proper divisors (1098733061777).

12020012200111 is a wasteful number, since it uses less digits than its factorization.

12020012200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45051.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020012200111 its reverse (11100221002021), we get a palindrome (23120233202132).

The spelling of 12020012200111 in words is "twelve trillion, twenty billion, twelve million, two hundred thousand, one hundred eleven".