125014221252245 has 32 divisors (see below), whose sum is σ = 162920814467040. Its totient is φ = 91540309893120.

The previous prime is 125014221252227. The next prime is 125014221252247. The reversal of 125014221252245 is 542252122410521.

It can be written as a sum of positive squares in 16 ways, for example, as 101108937426436 + 23905283825809 = 10055294^2 + 4889303^2 .

It is not a de Polignac number, because 125014221252245 - 2¹² = 125014221248149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125014221252199 and 125014221252208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125014221252247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122150 + ... + 15812759.

It is an arithmetic number, because the mean of its divisors is an integer number (5091275452095).

Almost surely, 2^{125014221252245} is an apocalyptic number.

It is an amenable number.

125014221252245 is a deficient number, since it is larger than the sum of its proper divisors (37906593214795).

125014221252245 is a wasteful number, since it uses less digits than its factorization.

125014221252245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935945.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 125014221252245 its reverse (542252122410521), we get a palindrome (667266343662766).

The spelling of 125014221252245 in words is "one hundred twenty-five trillion, fourteen billion, two hundred twenty-one million, two hundred fifty-two thousand, two hundred forty-five".