212120311310198 has 8 divisors (see below), whose sum is σ = 325580012708808. Its totient is φ = 103593640407264.

The previous prime is 212120311310191. The next prime is 212120311310207. The reversal of 212120311310198 is 891013113021212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120311310191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233257623811 + ... + 1233257623982.

It is an arithmetic number, because the mean of its divisors is an integer number (40697501588601).

Almost surely, 2^{212120311310198} is an apocalyptic number.

212120311310198 is a deficient number, since it is larger than the sum of its proper divisors (113459701398610).

212120311310198 is a wasteful number, since it uses less digits than its factorization.

212120311310198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466515247838.

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

The spelling of 212120311310198 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred eleven million, three hundred ten thousand, one hundred ninety-eight".