12020202012111 has 32 divisors (see below), whose sum is σ = 16434008279040. Its totient is φ = 7810726492800.

The previous prime is 12020202012089. The next prime is 12020202012151. The reversal of 12020202012111 is 11121020202021.

It is not a de Polignac number, because 12020202012111 - 2¹⁵ = 12020201979343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020202012151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149948101 + ... + 150028241.

It is an arithmetic number, because the mean of its divisors is an integer number (513562758720).

Almost surely, 2^{12020202012111} is an apocalyptic number.

12020202012111 is a deficient number, since it is larger than the sum of its proper divisors (4413806266929).

12020202012111 is a wasteful number, since it uses less digits than its factorization.

12020202012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82607.

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

Adding to 12020202012111 its reverse (11121020202021), we get a palindrome (23141222214132).

The spelling of 12020202012111 in words is "twelve trillion, twenty billion, two hundred two million, twelve thousand, one hundred eleven".