12320041421534 has 96 divisors (see below), whose sum is σ = 23689773516672. Its totient is φ = 4751272680000.

The previous prime is 12320041421491. The next prime is 12320041421543. The reversal of 12320041421534 is 43512414002321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320041421534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505508369 + ... + 505532739.

It is an arithmetic number, because the mean of its divisors is an integer number (246768474132).

Almost surely, 2^{12320041421534} is an apocalyptic number.

12320041421534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12320041421534 is a deficient number, since it is larger than the sum of its proper divisors (11369732095138).

12320041421534 is a wasteful number, since it uses less digits than its factorization.

12320041421534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29142 (or 29135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12320041421534 its reverse (43512414002321), we get a palindrome (55832455423855).

The spelling of 12320041421534 in words is "twelve trillion, three hundred twenty billion, forty-one million, four hundred twenty-one thousand, five hundred thirty-four".