212422244055 has 16 divisors (see below), whose sum is σ = 388429246464. Its totient is φ = 97107311520.

The previous prime is 212422244053. The next prime is 212422244087. The reversal of 212422244055 is 550442224212.

It is not a de Polignac number, because 212422244055 - 2¹ = 212422244053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212422244053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011534391 + ... + 1011534600.

It is an arithmetic number, because the mean of its divisors is an integer number (24276827904).

Almost surely, 2^212422244055 is an apocalyptic number.

212422244055 is a deficient number, since it is larger than the sum of its proper divisors (176007002409).

212422244055 is a wasteful number, since it uses less digits than its factorization.

212422244055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023069006.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 212422244055 its reverse (550442224212), we get a palindrome (762864468267).

The spelling of 212422244055 in words is "two hundred twelve billion, four hundred twenty-two million, two hundred forty-four thousand, fifty-five".