125212217782016 has 36 divisors (see below), whose sum is σ = 250023987767400. Its totient is φ = 62583899907072.

The previous prime is 125212217782013. The next prime is 125212217782079. The reversal of 125212217782016 is 610287712212521.

125212217782016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125212217782013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86030771 + ... + 87474098.

Almost surely, 2^{125212217782016} is an apocalyptic number.

125212217782016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125212217782016 is a deficient number, since it is larger than the sum of its proper divisors (124811769985384).

125212217782016 is an equidigital number, since it uses as much as digits as its factorization.

125212217782016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173507704 (or 173507690 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

Adding to 125212217782016 its reverse (610287712212521), we get a palindrome (735499929994537).

The spelling of 125212217782016 in words is "one hundred twenty-five trillion, two hundred twelve billion, two hundred seventeen million, seven hundred eighty-two thousand, sixteen".