1203231320012 has 12 divisors (see below), whose sum is σ = 2110803113160. Its totient is φ = 600144716256.

The previous prime is 1203231319999. The next prime is 1203231320023. The reversal of 1203231320012 is 2100231323021.

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 3 ways as a sum of consecutive naturals, for example, 367734098 + ... + 367737369.

It is an arithmetic number, because the mean of its divisors is an integer number (175900259430).

Almost surely, 2^{1203231320012} is an apocalyptic number.

It is an amenable number.

1203231320012 is a deficient number, since it is larger than the sum of its proper divisors (907571793148).

1203231320012 is a wasteful number, since it uses less digits than its factorization.

1203231320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735471880 (or 735471878 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1203231320012 its reverse (2100231323021), we get a palindrome (3303462643033).

The spelling of 1203231320012 in words is "one trillion, two hundred three billion, two hundred thirty-one million, three hundred twenty thousand, twelve".