211312122312986 has 8 divisors (see below), whose sum is σ = 316970088013344. Its totient is φ = 105655426308540.

The previous prime is 211312122312979. The next prime is 211312122313081. The reversal of 211312122312986 is 689213221213112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317007800 + ... + 317673683.

It is an arithmetic number, because the mean of its divisors is an integer number (39621261001668).

Almost surely, 2^{211312122312986} is an apocalyptic number.

211312122312986 is a deficient number, since it is larger than the sum of its proper divisors (105657965700358).

211312122312986 is a wasteful number, since it uses less digits than its factorization.

211312122312986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634847956.

The product of its digits is 124416, while the sum is 44.

The spelling of 211312122312986 in words is "two hundred eleven trillion, three hundred twelve billion, one hundred twenty-two million, three hundred twelve thousand, nine hundred eighty-six".