213122695055 has 8 divisors (see below), whose sum is σ = 256121685072. Its totient is φ = 170248522048.

The previous prime is 213122694997. The next prime is 213122695063. The reversal of 213122695055 is 550596221312.

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 213122695055 - 2¹² = 213122690959 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 31200494 + ... + 31207323.

It is an arithmetic number, because the mean of its divisors is an integer number (32015210634).

Almost surely, 2^213122695055 is an apocalyptic number.

213122695055 is a deficient number, since it is larger than the sum of its proper divisors (42998990017).

213122695055 is an equidigital number, since it uses as much as digits as its factorization.

213122695055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62408505.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 213122695055 in words is "two hundred thirteen billion, one hundred twenty-two million, six hundred ninety-five thousand, fifty-five".