123142342412 has 24 divisors (see below), whose sum is σ = 218852424000. Its totient is φ = 60617546496.

The previous prime is 123142342321. The next prime is 123142342439. The reversal of 123142342412 is 214243241321.

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, 448013 + ... + 668580.

It is an arithmetic number, because the mean of its divisors is an integer number (9118851000).

Almost surely, 2^123142342412 is an apocalyptic number.

It is an amenable number.

123142342412 is a deficient number, since it is larger than the sum of its proper divisors (95710081588).

123142342412 is a wasteful number, since it uses less digits than its factorization.

123142342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117025 (or 1117023 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 123142342412 its reverse (214243241321), we get a palindrome (337385583733).

The spelling of 123142342412 in words is "one hundred twenty-three billion, one hundred forty-two million, three hundred forty-two thousand, four hundred twelve".