12045432631 has 2 divisors, whose sum is σ = 12045432632. Its totient is φ = 12045432630.

The previous prime is 12045432617. The next prime is 12045432667. The reversal of 12045432631 is 13623454021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12045432631 - 2¹³ = 12045424439 is a prime.

It is a super-2 number, since 2×12045432631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12045432593 and 12045432602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045432611) 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 as a sum of consecutive naturals, namely, 6022716315 + 6022716316.

It is an arithmetic number, because the mean of its divisors is an integer number (6022716316).

Almost surely, 2^12045432631 is an apocalyptic number.

12045432631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045432631 is an equidigital number, since it uses as much as digits as its factorization.

12045432631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12045432631 its reverse (13623454021), we get a palindrome (25668886652).

The spelling of 12045432631 in words is "twelve billion, forty-five million, four hundred thirty-two thousand, six hundred thirty-one".