12471420031 has 16 divisors (see below), whose sum is σ = 15201642816. Its totient is φ = 9987526656.

The previous prime is 12471420011. The next prime is 12471420067. The reversal of 12471420031 is 13002417421.

It is not a de Polignac number, because 12471420031 - 2¹⁵ = 12471387263 is a prime.

It is a super-2 number, since 2×12471420031² (a number of 21 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 = 12471419978 and 12471420005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471420011) 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, 366186 + ... + 398791.

It is an arithmetic number, because the mean of its divisors is an integer number (950102676).

Almost surely, 2^12471420031 is an apocalyptic number.

12471420031 is a deficient number, since it is larger than the sum of its proper divisors (2730222785).

12471420031 is a wasteful number, since it uses less digits than its factorization.

12471420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765138.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 12471420031 its reverse (13002417421), we get a palindrome (25473837452).

The spelling of 12471420031 in words is "twelve billion, four hundred seventy-one million, four hundred twenty thousand, thirty-one".