12320401124 has 12 divisors (see below), whose sum is σ = 21562299948. Its totient is φ = 6159744000.

The previous prime is 12320401111. The next prime is 12320401133. The reversal of 12320401124 is 42110402321.

It can be written as a sum of positive squares in 2 ways, for example, as 7574569024 + 4745832100 = 87032^2 + 68890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12320401096 and 12320401105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49337 + ... + 164544.

It is an arithmetic number, because the mean of its divisors is an integer number (1796858329).

Almost surely, 2^12320401124 is an apocalyptic number.

It is an amenable number.

12320401124 is a deficient number, since it is larger than the sum of its proper divisors (9241898824).

12320401124 is a wasteful number, since it uses less digits than its factorization.

12320401124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228286 (or 228284 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12320401124 its reverse (42110402321), we get a palindrome (54430803445).

The spelling of 12320401124 in words is "twelve billion, three hundred twenty million, four hundred one thousand, one hundred twenty-four".