212454025414 has 16 divisors (see below), whose sum is σ = 321111221760. Its totient is φ = 105417606600.

The previous prime is 212454025403. The next prime is 212454025417. The reversal of 212454025414 is 414520454212.

It is a super-2 number, since 2×212454025414² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212454025414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212454025417) 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, 491047 + ... + 816109.

It is an arithmetic number, because the mean of its divisors is an integer number (20069451360).

Almost surely, 2^212454025414 is an apocalyptic number.

212454025414 is a deficient number, since it is larger than the sum of its proper divisors (108657196346).

212454025414 is a wasteful number, since it uses less digits than its factorization.

212454025414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327555.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 212454025414 its reverse (414520454212), we get a palindrome (626974479626).

The spelling of 212454025414 in words is "two hundred twelve billion, four hundred fifty-four million, twenty-five thousand, four hundred fourteen".