12010212211111 has 16 divisors (see below), whose sum is σ = 12437975878560. Its totient is φ = 11583362667520.

The previous prime is 12010212211037. The next prime is 12010212211133. The reversal of 12010212211111 is 11111221201021.

It is not a de Polignac number, because 12010212211111 - 2²³ = 12010203822503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010212211171) 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, 112156851 + ... + 112263883.

It is an arithmetic number, because the mean of its divisors is an integer number (777373492410).

Almost surely, 2^{12010212211111} is an apocalyptic number.

12010212211111 is a deficient number, since it is larger than the sum of its proper divisors (427763667449).

12010212211111 is a wasteful number, since it uses less digits than its factorization.

12010212211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111266.

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

Adding to 12010212211111 its reverse (11111221201021), we get a palindrome (23121433412132).

The spelling of 12010212211111 in words is "twelve trillion, ten billion, two hundred twelve million, two hundred eleven thousand, one hundred eleven".