1232401552105 has 16 divisors (see below), whose sum is σ = 1544175731520. Its totient is φ = 943027460032.

The previous prime is 1232401552103. The next prime is 1232401552141. The reversal of 1232401552105 is 5012551042321.

It is a cyclic number.

It is not a de Polignac number, because 1232401552105 - 2¹ = 1232401552103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232401552103) 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 in 15 ways as a sum of consecutive naturals, for example, 39700939 + ... + 39731968.

It is an arithmetic number, because the mean of its divisors is an integer number (96510983220).

Almost surely, 2^{1232401552105} is an apocalyptic number.

It is an amenable number.

1232401552105 is a deficient number, since it is larger than the sum of its proper divisors (311774179415).

1232401552105 is a wasteful number, since it uses less digits than its factorization.

1232401552105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79433048.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1232401552105 its reverse (5012551042321), we get a palindrome (6244952594426).

The spelling of 1232401552105 in words is "one trillion, two hundred thirty-two billion, four hundred one million, five hundred fifty-two thousand, one hundred five".