12351361366500 has 144 divisors (see below), whose sum is σ = 38946693502080. Its totient is φ = 3040335043200.

The previous prime is 12351361366481. The next prime is 12351361366517. The reversal of 12351361366500 is 566316315321.

It is a happy number.

It is a super-2 number, since 2×12351361366500² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 24108160 + ... + 24615159.

It is an arithmetic number, because the mean of its divisors is an integer number (270463149320).

Almost surely, 2^{12351361366500} is an apocalyptic number.

12351361366500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12351361366500 is an abundant number, since it is smaller than the sum of its proper divisors (26595332135580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12351361366500 is a wasteful number, since it uses less digits than its factorization.

12351361366500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48723367 (or 48723342 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 12351361366500 in words is "twelve trillion, three hundred fifty-one billion, three hundred sixty-one million, three hundred sixty-six thousand, five hundred".