12001111023303 has 6 divisors (see below), whose sum is σ = 17334938144784. Its totient is φ = 8000740682196.

The previous prime is 12001111023259. The next prime is 12001111023311. The reversal of 12001111023303 is 30332011110021.

12001111023303 is a `hidden beast` number, since 120 + 0 + 111 + 102 + 330 + 3 = 666.

It is not a de Polignac number, because 12001111023303 - 2¹³ = 12001111015111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001111021303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666728390175 + ... + 666728390192.

It is an arithmetic number, because the mean of its divisors is an integer number (2889156357464).

Almost surely, 2^{12001111023303} is an apocalyptic number.

12001111023303 is a deficient number, since it is larger than the sum of its proper divisors (5333827121481).

12001111023303 is a wasteful number, since it uses less digits than its factorization.

12001111023303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333456780373 (or 1333456780370 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12001111023303 its reverse (30332011110021), we get a palindrome (42333122133324).

The spelling of 12001111023303 in words is "twelve trillion, one billion, one hundred eleven million, twenty-three thousand, three hundred three".