123212334142 has 8 divisors (see below), whose sum is σ = 185747238000. Its totient is φ = 61296588144.

The previous prime is 123212334131. The next prime is 123212334143. The reversal of 123212334142 is 241433212321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123212334142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212334143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154788967 + ... + 154789762.

It is an arithmetic number, because the mean of its divisors is an integer number (23218404750).

Almost surely, 2^123212334142 is an apocalyptic number.

123212334142 is a deficient number, since it is larger than the sum of its proper divisors (62534903858).

123212334142 is a wasteful number, since it uses less digits than its factorization.

123212334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309578930.

The product of its digits is 6912, while the sum is 28.

Adding to 123212334142 its reverse (241433212321), we get a palindrome (364645546463).

The spelling of 123212334142 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred thirty-four thousand, one hundred forty-two".