125063215412 has 12 divisors (see below), whose sum is σ = 218891171940. Its totient is φ = 62522880576.

The previous prime is 125063215397. The next prime is 125063215423. The reversal of 125063215412 is 214512360521.

It can be written as a sum of positive squares in 2 ways, for example, as 55886851216 + 69176364196 = 236404^2 + 263014^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2149487 + ... + 2206902.

It is an arithmetic number, because the mean of its divisors is an integer number (18240930995).

Almost surely, 2^125063215412 is an apocalyptic number.

It is an amenable number.

125063215412 is a deficient number, since it is larger than the sum of its proper divisors (93827956528).

125063215412 is a wasteful number, since it uses less digits than its factorization.

125063215412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363570 (or 4363568 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 125063215412 its reverse (214512360521), we get a palindrome (339575575933).

The spelling of 125063215412 in words is "one hundred twenty-five billion, sixty-three million, two hundred fifteen thousand, four hundred twelve".