125172143012 has 24 divisors (see below), whose sum is σ = 265070421504. Its totient is φ = 50489603712.

The previous prime is 125172143011. The next prime is 125172143017. The reversal of 125172143012 is 210341271521.

It is a super-3 number, since 3×125172143012³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125172143011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131482868 + ... + 131483819.

It is an arithmetic number, because the mean of its divisors is an integer number (11044600896).

Almost surely, 2^125172143012 is an apocalyptic number.

It is an amenable number.

125172143012 is an abundant number, since it is smaller than the sum of its proper divisors (139898278492).

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

125172143012 is a wasteful number, since it uses less digits than its factorization.

125172143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262966715 (or 262966713 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 125172143012 in words is "one hundred twenty-five billion, one hundred seventy-two million, one hundred forty-three thousand, twelve".