191213118206 has 16 divisors (see below), whose sum is σ = 312900937200. Its totient is φ = 86913180480.

The previous prime is 191213118197. The next prime is 191213118221. The reversal of 191213118206 is 602811312191.

It is a happy number.

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, 1810940 + ... + 1913616.

It is an arithmetic number, because the mean of its divisors is an integer number (19556308575).

Almost surely, 2^191213118206 is an apocalyptic number.

191213118206 is a deficient number, since it is larger than the sum of its proper divisors (121687818994).

191213118206 is a wasteful number, since it uses less digits than its factorization.

191213118206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187339.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 191213118206 in words is "one hundred ninety-one billion, two hundred thirteen million, one hundred eighteen thousand, two hundred six".