12078643094420 has 48 divisors (see below), whose sum is σ = 28991750995200. Its totient is φ = 4140819408384.

The previous prime is 12078643094369. The next prime is 12078643094449. The reversal of 12078643094420 is 2449034687021.

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 15 ways as a sum of consecutive naturals, for example, 3119864 + ... + 5821583.

It is an arithmetic number, because the mean of its divisors is an integer number (603994812400).

Almost surely, 2^{12078643094420} is an apocalyptic number.

12078643094420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12078643094420 is an abundant number, since it is smaller than the sum of its proper divisors (16913107900780).

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

12078643094420 is a wasteful number, since it uses less digits than its factorization.

12078643094420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951112 (or 8951110 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 12078643094420 in words is "twelve trillion, seventy-eight billion, six hundred forty-three million, ninety-four thousand, four hundred twenty".