125321843699712 has 520 divisors, whose sum is σ = 408553984491312. Its totient is φ = 37962606182400.

The previous prime is 125321843699587. The next prime is 125321843699737. The reversal of 125321843699712 is 217996348123521.

125321843699712 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 2 + 184 + 369 + 97 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 125321843699712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15244107762 + ... + 15244115982.

Almost surely, 2^{125321843699712} is an apocalyptic number.

125321843699712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125321843699712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204276992245656).

125321843699712 is an abundant number, since it is smaller than the sum of its proper divisors (283232140791600).

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

125321843699712 is an equidigital number, since it uses as much as digits as its factorization.

125321843699712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445 (or 12414 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 125321843699712 in words is "one hundred twenty-five trillion, three hundred twenty-one billion, eight hundred forty-three million, six hundred ninety-nine thousand, seven hundred twelve".