212420122142230 has 16 divisors (see below), whose sum is σ = 385106984030160. Its totient is φ = 84356767929312.

The previous prime is 212420122142227. The next prime is 212420122142233. The reversal of 212420122142230 is 32241221024212.

It is an interprime number because it is at equal distance from previous prime (212420122142227) and next prime (212420122142233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420122142233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76410114489 + ... + 76410117268.

It is an arithmetic number, because the mean of its divisors is an integer number (24069186501885).

Almost surely, 2^{212420122142230} is an apocalyptic number.

212420122142230 is a deficient number, since it is larger than the sum of its proper divisors (172686861887930).

212420122142230 is a wasteful number, since it uses less digits than its factorization.

212420122142230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152820231903.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212420122142230 its reverse (32241221024212), we get a palindrome (244661343166442).

The spelling of 212420122142230 in words is "two hundred twelve trillion, four hundred twenty billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred thirty".