125012638342 has 16 divisors (see below), whose sum is σ = 191128743792. Its totient is φ = 61314462720.

The previous prime is 125012638327. The next prime is 125012638379. The reversal of 125012638342 is 243836210521.

It is a congruent 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, 2829384 + ... + 2873227.

It is an arithmetic number, because the mean of its divisors is an integer number (11945546487).

Almost surely, 2^125012638342 is an apocalyptic number.

125012638342 is a deficient number, since it is larger than the sum of its proper divisors (66116105450).

125012638342 is a wasteful number, since it uses less digits than its factorization.

125012638342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702823.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 125012638342 its reverse (243836210521), we get a palindrome (368848848863).

The spelling of 125012638342 in words is "one hundred twenty-five billion, twelve million, six hundred thirty-eight thousand, three hundred forty-two".