115167220012 has 24 divisors (see below), whose sum is σ = 219484641600. Its totient is φ = 52556862336.

The previous prime is 115167219997. The next prime is 115167220031. The reversal of 115167220012 is 210022761511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12437812 + ... + 12447067.

It is an arithmetic number, because the mean of its divisors is an integer number (9145193400).

Almost surely, 2^115167220012 is an apocalyptic number.

It is an amenable number.

115167220012 is a deficient number, since it is larger than the sum of its proper divisors (104317421588).

115167220012 is a wasteful number, since it uses less digits than its factorization.

115167220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24884985 (or 24884983 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 115167220012 its reverse (210022761511), we get a palindrome (325189981523).

The spelling of 115167220012 in words is "one hundred fifteen billion, one hundred sixty-seven million, two hundred twenty thousand, twelve".