187213618200122 has 16 divisors (see below), whose sum is σ = 283583570177952. Its totient is φ = 92690265375120.

The previous prime is 187213618200019. The next prime is 187213618200229. The reversal of 187213618200122 is 221002816312781.

It is an unprimeable number.

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, 1125891908 + ... + 1126058175.

It is an arithmetic number, because the mean of its divisors is an integer number (17723973136122).

Almost surely, 2^{187213618200122} is an apocalyptic number.

187213618200122 is a deficient number, since it is larger than the sum of its proper divisors (96369951977830).

187213618200122 is a wasteful number, since it uses less digits than its factorization.

187213618200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251950493.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 187213618200122 in words is "one hundred eighty-seven trillion, two hundred thirteen billion, six hundred eighteen million, two hundred thousand, one hundred twenty-two".