1200123303142 has 8 divisors (see below), whose sum is σ = 1818008568432. Its totient is φ = 594120447000.

The previous prime is 1200123303131. The next prime is 1200123303151. The reversal of 1200123303142 is 2413033210021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970602034 + ... + 2970602437.

It is an arithmetic number, because the mean of its divisors is an integer number (227251071054).

Almost surely, 2^{1200123303142} is an apocalyptic number.

1200123303142 is a deficient number, since it is larger than the sum of its proper divisors (617885265290).

1200123303142 is a wasteful number, since it uses less digits than its factorization.

1200123303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941204574.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1200123303142 its reverse (2413033210021), we get a palindrome (3613156513163).

The spelling of 1200123303142 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred three thousand, one hundred forty-two".