12001111023331 has 32 divisors (see below), whose sum is σ = 12598665924096. Its totient is φ = 11410141248000.

The previous prime is 12001111023311. The next prime is 12001111023409. The reversal of 12001111023331 is 13332011110021.

It is a cyclic number.

It is not a de Polignac number, because 12001111023331 - 2¹³ = 12001111015139 is a prime.

It is a super-2 number, since 2×12001111023331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001111023299 and 12001111023308.

It is not an unprimeable number, because it can be changed into a prime (12001111023311) 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, 4433360680 + ... + 4433363386.

It is an arithmetic number, because the mean of its divisors is an integer number (393708310128).

Almost surely, 2^{12001111023331} is an apocalyptic number.

12001111023331 is a deficient number, since it is larger than the sum of its proper divisors (597554900765).

12001111023331 is a wasteful number, since it uses less digits than its factorization.

12001111023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12001111023331 its reverse (13332011110021), we get a palindrome (25333122133352).

The spelling of 12001111023331 in words is "twelve trillion, one billion, one hundred eleven million, twenty-three thousand, three hundred thirty-one".