120252123121126 has 16 divisors (see below), whose sum is σ = 183342417922224. Its totient is φ = 59140650691584.

The previous prime is 120252123121121. The next prime is 120252123121127. The reversal of 120252123121126 is 621121321252021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120252123121121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 666628915 + ... + 666809278.

It is an arithmetic number, because the mean of its divisors is an integer number (11458901120139).

Almost surely, 2^{120252123121126} is an apocalyptic number.

120252123121126 is a deficient number, since it is larger than the sum of its proper divisors (63090294801098).

120252123121126 is a wasteful number, since it uses less digits than its factorization.

120252123121126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333438935.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 120252123121126 its reverse (621121321252021), we get a palindrome (741373444373147).

The spelling of 120252123121126 in words is "one hundred twenty trillion, two hundred fifty-two billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-six".