115212142042 has 16 divisors (see below), whose sum is σ = 183008719872. Its totient is φ = 54210151360.

The previous prime is 115212141959. The next prime is 115212142057. The reversal of 115212142042 is 240241212511.

It is a junction number, because it is equal to n+sod(n) for n = 115212141998 and 115212142016.

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, 30567 + ... + 480997.

It is an arithmetic number, because the mean of its divisors is an integer number (11438044992).

Almost surely, 2^115212142042 is an apocalyptic number.

115212142042 is a deficient number, since it is larger than the sum of its proper divisors (67796577830).

115212142042 is a wasteful number, since it uses less digits than its factorization.

115212142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457973.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 115212142042 its reverse (240241212511), we get a palindrome (355453354553).

The spelling of 115212142042 in words is "one hundred fifteen billion, two hundred twelve million, one hundred forty-two thousand, forty-two".