12011011123031 has 8 divisors (see below), whose sum is σ = 12054519246000. Its totient is φ = 11967531470208.

The previous prime is 12011011123009. The next prime is 12011011123051. The reversal of 12011011123031 is 13032111011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011011123031 - 2⁴² = 7612964611927 is a prime.

It is a super-2 number, since 2×12011011123031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011011123051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272066 + ... + 7959951.

It is an arithmetic number, because the mean of its divisors is an integer number (1506814905750).

Almost surely, 2^{12011011123031} is an apocalyptic number.

12011011123031 is a deficient number, since it is larger than the sum of its proper divisors (43508122969).

12011011123031 is a wasteful number, since it uses less digits than its factorization.

12011011123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235073.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12011011123031 its reverse (13032111011021), we get a palindrome (25043122134052).

The spelling of 12011011123031 in words is "twelve trillion, eleven billion, eleven million, one hundred twenty-three thousand, thirty-one".