102212020112194 has 8 divisors (see below), whose sum is σ = 153407742303420. Its totient is φ = 51076106011056.

The previous prime is 102212020112173. The next prime is 102212020112207. The reversal of 102212020112194 is 491211020212201.

It can be written as a sum of positive squares in 2 ways, for example, as 81851737368025 + 20360282744169 = 9047195^2 + 4512237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 14952018249 + ... + 14952025084.

Almost surely, 2^{102212020112194} is an apocalyptic number.

102212020112194 is a deficient number, since it is larger than the sum of its proper divisors (51195722191226).

102212020112194 is a wasteful number, since it uses less digits than its factorization.

102212020112194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29904045044.

The product of its (nonzero) digits is 1152, while the sum is 28.

Adding to 102212020112194 its reverse (491211020212201), we get a palindrome (593423040324395).

The spelling of 102212020112194 in words is "one hundred two trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred ninety-four".