123212223342 has 48 divisors (see below), whose sum is σ = 290182117680. Its totient is φ = 37557133056.

The previous prime is 123212223289. The next prime is 123212223361. The reversal of 123212223342 is 243322212321.

123212223342 is a `hidden beast` number, since 1 + 2 + 321 + 2 + 2 + 2 + 334 + 2 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2435467 + ... + 2485542.

It is an arithmetic number, because the mean of its divisors is an integer number (6045460785).

Almost surely, 2^123212223342 is an apocalyptic number.

123212223342 is an abundant number, since it is smaller than the sum of its proper divisors (166969894338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123212223342 is a wasteful number, since it uses less digits than its factorization.

123212223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921137 (or 4921134 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 123212223342 its reverse (243322212321), we get a palindrome (366534435663).

The spelling of 123212223342 in words is "one hundred twenty-three billion, two hundred twelve million, two hundred twenty-three thousand, three hundred forty-two".