12111342033 has 32 divisors (see below), whose sum is σ = 18968104960. Its totient is φ = 6731112960.

The previous prime is 12111341953. The next prime is 12111342101. The reversal of 12111342033 is 33024311121.

12111342033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111342033 - 2¹⁰ = 12111341009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12111342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56673 + ... + 165633.

It is an arithmetic number, because the mean of its divisors is an integer number (592753280).

Almost surely, 2^12111342033 is an apocalyptic number.

It is an amenable number.

12111342033 is a deficient number, since it is larger than the sum of its proper divisors (6856762927).

12111342033 is a wasteful number, since it uses less digits than its factorization.

12111342033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109117.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12111342033 its reverse (33024311121), we get a palindrome (45135653154).

The spelling of 12111342033 in words is "twelve billion, one hundred eleven million, three hundred forty-two thousand, thirty-three".