1232154320105 has 16 divisors (see below), whose sum is σ = 1485691611264. Its totient is φ = 980992272000.

The previous prime is 1232154320051. The next prime is 1232154320141. The reversal of 1232154320105 is 5010234512321.

It is not a de Polignac number, because 1232154320105 - 2⁸ = 1232154319849 is a prime.

It is a super-2 number, since 2×1232154320105² (a number of 25 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133477 + ... + 1936253.

It is an arithmetic number, because the mean of its divisors is an integer number (92855725704).

Almost surely, 2^{1232154320105} is an apocalyptic number.

It is an amenable number.

1232154320105 is a deficient number, since it is larger than the sum of its proper divisors (253537291159).

1232154320105 is a wasteful number, since it uses less digits than its factorization.

1232154320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804256.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1232154320105 its reverse (5010234512321), we get a palindrome (6242388832426).

The spelling of 1232154320105 in words is "one trillion, two hundred thirty-two billion, one hundred fifty-four million, three hundred twenty thousand, one hundred five".