12240251105 has 16 divisors (see below), whose sum is σ = 15055170624. Its totient is φ = 9550516800.

The previous prime is 12240251047. The next prime is 12240251143. The reversal of 12240251105 is 50115204221.

12240251105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12240251105 - 2¹⁸ = 12239988961 is a prime.

It is a super-2 number, since 2×12240251105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147047 + ... + 214716.

It is an arithmetic number, because the mean of its divisors is an integer number (940948164).

Almost surely, 2^12240251105 is an apocalyptic number.

It is an amenable number.

12240251105 is a deficient number, since it is larger than the sum of its proper divisors (2814919519).

12240251105 is a wasteful number, since it uses less digits than its factorization.

12240251105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361936.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12240251105 its reverse (50115204221), we get a palindrome (62355455326).

The spelling of 12240251105 in words is "twelve billion, two hundred forty million, two hundred fifty-one thousand, one hundred five".