125212142144424 has 32 divisors (see below), whose sum is σ = 318936588484320. Its totient is φ = 40949882965056.

The previous prime is 125212142144399. The next prime is 125212142144513. The reversal of 125212142144424 is 424441241212521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49218608062 + ... + 49218610605.

It is an arithmetic number, because the mean of its divisors is an integer number (9966768390135).

Almost surely, 2^{125212142144424} is an apocalyptic number.

It is an amenable number.

125212142144424 is an abundant number, since it is smaller than the sum of its proper divisors (193724446339896).

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

125212142144424 is a wasteful number, since it uses less digits than its factorization.

125212142144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98437218729 (or 98437218725 counting only the distinct ones).

The product of its digits is 163840, while the sum is 39.

Adding to 125212142144424 its reverse (424441241212521), we get a palindrome (549653383356945).

The spelling of 125212142144424 in words is "one hundred twenty-five trillion, two hundred twelve billion, one hundred forty-two million, one hundred forty-four thousand, four hundred twenty-four".