123142003213312 has 22 divisors (see below), whose sum is σ = 246163750566158. Its totient is φ = 61571001606144.

The previous prime is 123142003213217. The next prime is 123142003213357. The reversal of 123142003213312 is 213312300241321.

It can be written as a sum of positive squares in only one way, i.e., 115307736564736 + 7834266648576 = 10738144^2 + 2798976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60127930233 + ... + 60127932280.

Almost surely, 2^{123142003213312} is an apocalyptic number.

It is an amenable number.

123142003213312 is a deficient number, since it is larger than the sum of its proper divisors (123021747352846).

123142003213312 is an equidigital number, since it uses as much as digits as its factorization.

123142003213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120255862533 (or 120255862515 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 123142003213312 its reverse (213312300241321), we get a palindrome (336454303454633).

The spelling of 123142003213312 in words is "one hundred twenty-three trillion, one hundred forty-two billion, three million, two hundred thirteen thousand, three hundred twelve".