125243334212120 has 64 divisors (see below), whose sum is σ = 283016463177600. Its totient is φ = 49880688578560.

The previous prime is 125243334212069. The next prime is 125243334212189. The reversal of 125243334212120 is 21212433342521.

It is a super-2 number, since 2×125243334212120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67156892 + ... + 68996628.

It is an arithmetic number, because the mean of its divisors is an integer number (4422132237150).

Almost surely, 2^{125243334212120} is an apocalyptic number.

125243334212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125243334212120 is an abundant number, since it is smaller than the sum of its proper divisors (157773128965480).

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

125243334212120 is a wasteful number, since it uses less digits than its factorization.

125243334212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847108 (or 1847104 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 125243334212120 its reverse (21212433342521), we get a palindrome (146455767554641).

The spelling of 125243334212120 in words is "one hundred twenty-five trillion, two hundred forty-three billion, three hundred thirty-four million, two hundred twelve thousand, one hundred twenty".