125012540001 has 8 divisors (see below), whose sum is σ = 166717360960. Its totient is φ = 83324706192.

The previous prime is 125012539999. The next prime is 125012540027. The reversal of 125012540001 is 100045210521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125012540001 - 2¹ = 125012539999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125012540001.

It is not an unprimeable number, because it can be changed into a prime (125012540041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4229605 + ... + 4259058.

It is an arithmetic number, because the mean of its divisors is an integer number (20839670120).

Almost surely, 2^125012540001 is an apocalyptic number.

It is an amenable number.

125012540001 is a deficient number, since it is larger than the sum of its proper divisors (41704820959).

125012540001 is an equidigital number, since it uses as much as digits as its factorization.

125012540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493575.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 125012540001 its reverse (100045210521), we get a palindrome (225057750522).

The spelling of 125012540001 in words is "one hundred twenty-five billion, twelve million, five hundred forty thousand, one".