212412140344 has 16 divisors (see below), whose sum is σ = 398405610000. Its totient is φ = 106170644352.

The previous prime is 212412140341. The next prime is 212412140359. The reversal of 212412140344 is 443041214212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412140341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4402737 + ... + 4450720.

It is an arithmetic number, because the mean of its divisors is an integer number (24900350625).

Almost surely, 2^212412140344 is an apocalyptic number.

It is an amenable number.

212412140344 is a deficient number, since it is larger than the sum of its proper divisors (185993469656).

212412140344 is a wasteful number, since it uses less digits than its factorization.

212412140344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856462 (or 8856458 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212412140344 its reverse (443041214212), we get a palindrome (655453354556).

The spelling of 212412140344 in words is "two hundred twelve billion, four hundred twelve million, one hundred forty thousand, three hundred forty-four".