12011101032031 has 16 divisors (see below), whose sum is σ = 12508905323520. Its totient is φ = 11520203909760.

The previous prime is 12011101032013. The next prime is 12011101032043. The reversal of 12011101032031 is 13023010111021.

It is a happy number.

It is not a de Polignac number, because 12011101032031 - 2⁹ = 12011101031519 is a prime.

It is a super-2 number, since 2×12011101032031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011101031996 and 12011101032014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011101036031) 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, 80504980 + ... + 80654038.

It is an arithmetic number, because the mean of its divisors is an integer number (781806582720).

Almost surely, 2^{12011101032031} is an apocalyptic number.

12011101032031 is a deficient number, since it is larger than the sum of its proper divisors (497804291489).

12011101032031 is a wasteful number, since it uses less digits than its factorization.

12011101032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172206.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011101032031 its reverse (13023010111021), we get a palindrome (25034111143052).

The spelling of 12011101032031 in words is "twelve trillion, eleven billion, one hundred one million, thirty-two thousand, thirty-one".