12215043451504 has 20 divisors (see below), whose sum is σ = 23667759344776. Its totient is φ = 6107234588352.

The previous prime is 12215043451493. The next prime is 12215043451511. The reversal of 12215043451504 is 40515434051221.

It is a congruent number.

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, 17594919 + ... + 18275974.

Almost surely, 2^{12215043451504} is an apocalyptic number.

It is an amenable number.

12215043451504 is a deficient number, since it is larger than the sum of its proper divisors (11452715893272).

12215043451504 is a wasteful number, since it uses less digits than its factorization.

12215043451504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35892184 (or 35892178 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 12215043451504 in words is "twelve trillion, two hundred fifteen billion, forty-three million, four hundred fifty-one thousand, five hundred four".