12215561600430 has 48 divisors (see below), whose sum is σ = 31760855802000. Its totient is φ = 3257442514944.

The previous prime is 12215561600401. The next prime is 12215561600447. The reversal of 12215561600430 is 3400616551221.

12215561600430 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 5 + 5 + 6 + 1 + 600 + 43 + 0 = 666.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 6801774 + ... + 8408046.

It is an arithmetic number, because the mean of its divisors is an integer number (661684495875).

Almost surely, 2^{12215561600430} is an apocalyptic number.

12215561600430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12215561600430 is an abundant number, since it is smaller than the sum of its proper divisors (19545294201570).

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

12215561600430 is a wasteful number, since it uses less digits than its factorization.

12215561600430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690785 (or 1690782 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 12215561600430 in words is "twelve trillion, two hundred fifteen billion, five hundred sixty-one million, six hundred thousand, four hundred thirty".