221212341230 has 16 divisors (see below), whose sum is σ = 399155772240. Its totient is φ = 88268590272.

The previous prime is 221212341223. The next prime is 221212341247. The reversal of 221212341230 is 32143212122.

221212341230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221212341196 and 221212341205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27038984 + ... + 27047163.

It is an arithmetic number, because the mean of its divisors is an integer number (24947235765).

Almost surely, 2^221212341230 is an apocalyptic number.

221212341230 is a deficient number, since it is larger than the sum of its proper divisors (177943431010).

221212341230 is a wasteful number, since it uses less digits than its factorization.

221212341230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54086563.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221212341230 its reverse (32143212122), we get a palindrome (253355553352).

The spelling of 221212341230 in words is "two hundred twenty-one billion, two hundred twelve million, three hundred forty-one thousand, two hundred thirty".