212003022652226 has 16 divisors (see below), whose sum is σ = 343685162931768. Its totient is φ = 97499336995200.

The previous prime is 212003022652189. The next prime is 212003022652241. The reversal of 212003022652226 is 622256220300212.

It can be written as a sum of positive squares in 4 ways, for example, as 140185008000625 + 71818014651601 = 11839975^2 + 8474551^2 .

It is a super-2 number, since 2×212003022652226² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14508822605 + ... + 14508837216.

Almost surely, 2^{212003022652226} is an apocalyptic number.

212003022652226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212003022652226 is a deficient number, since it is larger than the sum of its proper divisors (131682140279542).

212003022652226 is a wasteful number, since it uses less digits than its factorization.

212003022652226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017660117.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 212003022652226 its reverse (622256220300212), we get a palindrome (834259242952438).

The spelling of 212003022652226 in words is "two hundred twelve trillion, three billion, twenty-two million, six hundred fifty-two thousand, two hundred twenty-six".