212244104413442 has 8 divisors (see below), whose sum is σ = 318366830974332. Its totient is φ = 106121827422000.

The previous prime is 212244104413427. The next prime is 212244104413547. The reversal of 212244104413442 is 244314401442212.

It can be written as a sum of positive squares in 2 ways, for example, as 209788023051721 + 2456081361721 = 14484061^2 + 1567189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212244104413396 and 212244104413405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111209609 + ... + 113102012.

Almost surely, 2^{212244104413442} is an apocalyptic number.

212244104413442 is a deficient number, since it is larger than the sum of its proper divisors (106122726560890).

212244104413442 is a wasteful number, since it uses less digits than its factorization.

212244104413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224784724.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 212244104413442 its reverse (244314401442212), we get a palindrome (456558505855654).

The spelling of 212244104413442 in words is "two hundred twelve trillion, two hundred forty-four billion, one hundred four million, four hundred thirteen thousand, four hundred forty-two".