12011212112303 has 16 divisors (see below), whose sum is σ = 13033753086816. Its totient is φ = 11024028072960.

The previous prime is 12011212112239. The next prime is 12011212112311. The reversal of 12011212112303 is 30321121211021.

It is a cyclic number.

It is not a de Polignac number, because 12011212112303 - 2⁶ = 12011212112239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011212112323) 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, 2278076 + ... + 5404817.

It is an arithmetic number, because the mean of its divisors is an integer number (814609567926).

Almost surely, 2^{12011212112303} is an apocalyptic number.

12011212112303 is a deficient number, since it is larger than the sum of its proper divisors (1022540974513).

12011212112303 is a wasteful number, since it uses less digits than its factorization.

12011212112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685194.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12011212112303 its reverse (30321121211021), we get a palindrome (42332333323324).

The spelling of 12011212112303 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, three hundred three".