212522544322055 has 8 divisors (see below), whose sum is σ = 278211330748944. Its totient is φ = 154561850416000.

The previous prime is 212522544322051. The next prime is 212522544322061. The reversal of 212522544322055 is 550223445225212.

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

It is not a de Polignac number, because 212522544322055 - 2² = 212522544322051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212522544321997 and 212522544322015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212522544322051) 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, 1932023130146 + ... + 1932023130255.

It is an arithmetic number, because the mean of its divisors is an integer number (34776416343618).

Almost surely, 2^{212522544322055} is an apocalyptic number.

212522544322055 is a deficient number, since it is larger than the sum of its proper divisors (65688786426889).

212522544322055 is a wasteful number, since it uses less digits than its factorization.

212522544322055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864046260417.

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 212522544322055 its reverse (550223445225212), we get a palindrome (762745989547267).

The spelling of 212522544322055 in words is "two hundred twelve trillion, five hundred twenty-two billion, five hundred forty-four million, three hundred twenty-two thousand, fifty-five".