212244041024454 has 16 divisors (see below), whose sum is σ = 439125602119920. Its totient is φ = 68308426996320.

The previous prime is 212244041024363. The next prime is 212244041024459. The reversal of 212244041024454 is 454420140442212.

It is a happy number.

It is a super-2 number, since 2×212244041024454² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212244041024459) 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, 609896669437 + ... + 609896669784.

It is an arithmetic number, because the mean of its divisors is an integer number (27445350132495).

Almost surely, 2^{212244041024454} is an apocalyptic number.

212244041024454 is an abundant number, since it is smaller than the sum of its proper divisors (226881561095466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212244041024454 is a wasteful number, since it uses less digits than its factorization.

212244041024454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219793339255.

The product of its (nonzero) digits is 327680, while the sum is 39.

Adding to 212244041024454 its reverse (454420140442212), we get a palindrome (666664181466666).

The spelling of 212244041024454 in words is "two hundred twelve trillion, two hundred forty-four billion, forty-one million, twenty-four thousand, four hundred fifty-four".