125306341512021 has 36 divisors (see below), whose sum is σ = 192329578584000. Its totient is φ = 78599748897408.

The previous prime is 125306341511993. The next prime is 125306341512049. The reversal of 125306341512021 is 120215143603521.

125306341512021 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 0 + 634 + 1 + 5 + 12 + 0 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (125306341511993) and next prime (125306341512049).

It is not a de Polignac number, because 125306341512021 - 2¹⁰ = 125306341510997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125306341512061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1279060 + ... + 15882338.

It is an arithmetic number, because the mean of its divisors is an integer number (5342488294000).

Almost surely, 2^{125306341512021} is an apocalyptic number.

It is an amenable number.

125306341512021 is a deficient number, since it is larger than the sum of its proper divisors (67023237071979).

125306341512021 is a wasteful number, since it uses less digits than its factorization.

125306341512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606618 (or 14606598 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 125306341512021 in words is "one hundred twenty-five trillion, three hundred six billion, three hundred forty-one million, five hundred twelve thousand, twenty-one".