12011334434203 has 32 divisors (see below), whose sum is σ = 14087575252800. Its totient is φ = 10140221177856.

The previous prime is 12011334434201. The next prime is 12011334434221. The reversal of 12011334434203 is 30243443311021.

It is a cyclic number.

It is not a de Polignac number, because 12011334434203 - 2¹ = 12011334434201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011334434201) 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, 52842651 + ... + 53069467.

It is an arithmetic number, because the mean of its divisors is an integer number (440236726650).

Almost surely, 2^{12011334434203} is an apocalyptic number.

12011334434203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12011334434203 is a deficient number, since it is larger than the sum of its proper divisors (2076240818597).

12011334434203 is a wasteful number, since it uses less digits than its factorization.

12011334434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234271.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12011334434203 its reverse (30243443311021), we get a palindrome (42254777745224).

The spelling of 12011334434203 in words is "twelve trillion, eleven billion, three hundred thirty-four million, four hundred thirty-four thousand, two hundred three".