12146699695680 has 168 divisors, whose sum is σ = 45577730113344. Its totient is φ = 2944654464000.

The previous prime is 12146699695649. The next prime is 12146699695751. The reversal of 12146699695680 is 8659699664121.

12146699695680 is a `hidden beast` number, since 1 + 21 + 466 + 9 + 9 + 69 + 5 + 6 + 80 = 666.

It is a super-2 number, since 2×12146699695680² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 12146699695599 and 12146699695608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191677596 + ... + 191740955.

Almost surely, 2^{12146699695680} is an apocalyptic number.

12146699695680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12146699695680 is an abundant number, since it is smaller than the sum of its proper divisors (33431030417664).

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

12146699695680 is a wasteful number, since it uses less digits than its factorization.

12146699695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383418585 (or 383418572 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 72.

The spelling of 12146699695680 in words is "twelve trillion, one hundred forty-six billion, six hundred ninety-nine million, six hundred ninety-five thousand, six hundred eighty".