12351600066405 has 32 divisors (see below), whose sum is σ = 20259923523840. Its totient is φ = 6421975877120.

The previous prime is 12351600066371. The next prime is 12351600066419. The reversal of 12351600066405 is 50466000615321.

It is not a de Polignac number, because 12351600066405 - 2⁶ = 12351600066341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6802122 + ... + 8424491.

It is an arithmetic number, because the mean of its divisors is an integer number (633122610120).

Almost surely, 2^{12351600066405} is an apocalyptic number.

12351600066405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12351600066405 is a deficient number, since it is larger than the sum of its proper divisors (7908323457435).

12351600066405 is a wasteful number, since it uses less digits than its factorization.

12351600066405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15227981.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 12351600066405 in words is "twelve trillion, three hundred fifty-one billion, six hundred million, sixty-six thousand, four hundred five".