212140033431044 has 6 divisors (see below), whose sum is σ = 371245058504334. Its totient is φ = 106070016715520.

The previous prime is 212140033430917. The next prime is 212140033431049. The reversal of 212140033431044 is 440134330041212.

It can be written as a sum of positive squares in only one way, i.e., 177363796840000 + 34776236591044 = 13317800^2 + 5897138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212140033431044.

It is not an unprimeable number, because it can be changed into a prime (212140033431049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26517504178877 + ... + 26517504178884.

It is an arithmetic number, because the mean of its divisors is an integer number (61874176417389).

Almost surely, 2^{212140033431044} is an apocalyptic number.

It is an amenable number.

212140033431044 is a deficient number, since it is larger than the sum of its proper divisors (159105025073290).

212140033431044 is a wasteful number, since it uses less digits than its factorization.

212140033431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53035008357765 (or 53035008357763 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 212140033431044 its reverse (440134330041212), we get a palindrome (652274363472256).

The spelling of 212140033431044 in words is "two hundred twelve trillion, one hundred forty billion, thirty-three million, four hundred thirty-one thousand, forty-four".