12031424521105 has 48 divisors (see below), whose sum is σ = 16140058421760. Its totient is φ = 8601519294720.

The previous prime is 12031424521087. The next prime is 12031424521141. The reversal of 12031424521105 is 50112542413021.

It is not a de Polignac number, because 12031424521105 - 2⁵ = 12031424521073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19106437 + ... + 19726093.

It is an arithmetic number, because the mean of its divisors is an integer number (336251217120).

Almost surely, 2^{12031424521105} is an apocalyptic number.

It is an amenable number.

12031424521105 is a deficient number, since it is larger than the sum of its proper divisors (4108633900655).

12031424521105 is a wasteful number, since it uses less digits than its factorization.

12031424521105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620230 (or 620219 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 12031424521105 its reverse (50112542413021), we get a palindrome (62143966934126).

The spelling of 12031424521105 in words is "twelve trillion, thirty-one billion, four hundred twenty-four million, five hundred twenty-one thousand, one hundred five".