212221301213230 has 32 divisors (see below), whose sum is σ = 387253961053344. Its totient is φ = 83720741907456.

The previous prime is 212221301213197. The next prime is 212221301213231. The reversal of 212221301213230 is 32312103122212.

It is a junction number, because it is equal to n+sod(n) for n = 212221301213195 and 212221301213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221301213231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892854 + ... + 20966566.

It is an arithmetic number, because the mean of its divisors is an integer number (12101686282917).

Almost surely, 2^{212221301213230} is an apocalyptic number.

212221301213230 is a deficient number, since it is larger than the sum of its proper divisors (175032659840114).

212221301213230 is a wasteful number, since it uses less digits than its factorization.

212221301213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090820.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212221301213230 its reverse (32312103122212), we get a palindrome (244533404335442).

The spelling of 212221301213230 in words is "two hundred twelve trillion, two hundred twenty-one billion, three hundred one million, two hundred thirteen thousand, two hundred thirty".