1203231032312 has 16 divisors (see below), whose sum is σ = 2256078195360. Its totient is φ = 601610180224.

The previous prime is 1203231032293. The next prime is 1203231032317. The reversal of 1203231032312 is 2132301323021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203231032317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389873 + ... + 1599519.

It is an arithmetic number, because the mean of its divisors is an integer number (141004887210).

Almost surely, 2^{1203231032312} is an apocalyptic number.

It is an amenable number.

1203231032312 is a deficient number, since it is larger than the sum of its proper divisors (1052847163048).

1203231032312 is a wasteful number, since it uses less digits than its factorization.

1203231032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333990 (or 1333986 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1203231032312 its reverse (2132301323021), we get a palindrome (3335532355333).

The spelling of 1203231032312 in words is "one trillion, two hundred three billion, two hundred thirty-one million, thirty-two thousand, three hundred twelve".