12101120303031 has 40 divisors (see below), whose sum is σ = 18307594184880. Its totient is φ = 7964631980928.

The previous prime is 12101120303023. The next prime is 12101120303047. The reversal of 12101120303031 is 13030302110121.

12101120303031 is a `hidden beast` number, since 1 + 210 + 1 + 120 + 30 + 303 + 1 = 666.

It is not a de Polignac number, because 12101120303031 - 2³ = 12101120303023 is a prime.

It is a super-2 number, since 2×12101120303031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101120302995 and 12101120303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101120303011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8977371 + ... + 10236963.

It is an arithmetic number, because the mean of its divisors is an integer number (457689854622).

Almost surely, 2^{12101120303031} is an apocalyptic number.

12101120303031 is a deficient number, since it is larger than the sum of its proper divisors (6206473881849).

12101120303031 is a wasteful number, since it uses less digits than its factorization.

12101120303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261117 (or 1261108 counting only the distinct ones).

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

Adding to 12101120303031 its reverse (13030302110121), we get a palindrome (25131422413152).

The spelling of 12101120303031 in words is "twelve trillion, one hundred one billion, one hundred twenty million, three hundred three thousand, thirty-one".