212372172211 has 8 divisors (see below), whose sum is σ = 212963555520. Its totient is φ = 211781361792.

The previous prime is 212372172191. The next prime is 212372172301. The reversal of 212372172211 is 112271273212.

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

It is a cyclic number.

It is not a de Polignac number, because 212372172211 - 2⁷ = 212372172083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212372172511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604635 + ... + 889003.

It is an arithmetic number, because the mean of its divisors is an integer number (26620444440).

Almost surely, 2^212372172211 is an apocalyptic number.

212372172211 is a deficient number, since it is larger than the sum of its proper divisors (591383309).

212372172211 is a wasteful number, since it uses less digits than its factorization.

212372172211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286445.

The product of its digits is 4704, while the sum is 31.

The spelling of 212372172211 in words is "two hundred twelve billion, three hundred seventy-two million, one hundred seventy-two thousand, two hundred eleven".