125412122142 has 48 divisors (see below), whose sum is σ = 272621728080. Its totient is φ = 41666501376.

The previous prime is 125412122123. The next prime is 125412122161. The reversal of 125412122142 is 241221214521.

125412122142 is a `hidden beast` number, since 1 + 25 + 412 + 1 + 221 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (125412122123) and next prime (125412122161).

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 23 ways as a sum of consecutive naturals, for example, 7201798 + ... + 7219190.

It is an arithmetic number, because the mean of its divisors is an integer number (5679619335).

Almost surely, 2^125412122142 is an apocalyptic number.

125412122142 is an abundant number, since it is smaller than the sum of its proper divisors (147209605938).

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

125412122142 is a wasteful number, since it uses less digits than its factorization.

125412122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18697 (or 18694 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 125412122142 its reverse (241221214521), we get a palindrome (366633336663).

The spelling of 125412122142 in words is "one hundred twenty-five billion, four hundred twelve million, one hundred twenty-two thousand, one hundred forty-two".