1231200230042 has 8 divisors (see below), whose sum is σ = 1864060161696. Its totient is φ = 609846842812.

The previous prime is 1231200230003. The next prime is 1231200230083. The reversal of 1231200230042 is 2400320021321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1231200229996 and 1231200230023.

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, 2876635838 + ... + 2876636265.

It is an arithmetic number, because the mean of its divisors is an integer number (233007520212).

Almost surely, 2^{1231200230042} is an apocalyptic number.

1231200230042 is a deficient number, since it is larger than the sum of its proper divisors (632859931654).

1231200230042 is a wasteful number, since it uses less digits than its factorization.

1231200230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753272212.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1231200230042 its reverse (2400320021321), we get a palindrome (3631520251363).

The spelling of 1231200230042 in words is "one trillion, two hundred thirty-one billion, two hundred million, two hundred thirty thousand, forty-two".