12146699695678 has 32 divisors (see below), whose sum is σ = 18797033749536. Its totient is φ = 5883973899648.

The previous prime is 12146699695649. The next prime is 12146699695751. The reversal of 12146699695678 is 87659699664121.

It is a junction number, because it is equal to n+sod(n) for n = 12146699695598 and 12146699695607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17008576 + ... + 17708332.

It is an arithmetic number, because the mean of its divisors is an integer number (587407304673).

Almost surely, 2^{12146699695678} is an apocalyptic number.

12146699695678 is a deficient number, since it is larger than the sum of its proper divisors (6650334053858).

12146699695678 is a wasteful number, since it uses less digits than its factorization.

12146699695678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701868.

The product of its digits is 2116316160, while the sum is 79.

The spelling of 12146699695678 in words is "twelve trillion, one hundred forty-six billion, six hundred ninety-nine million, six hundred ninety-five thousand, six hundred seventy-eight".