1031231203012 has 24 divisors (see below), whose sum is σ = 1812325132800. Its totient is φ = 513424308096.

The previous prime is 1031231202979. The next prime is 1031231203021. The reversal of 1031231203012 is 2103021321301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20853388 + ... + 20902780.

It is an arithmetic number, because the mean of its divisors is an integer number (75513547200).

Almost surely, 2^{1031231203012} is an apocalyptic number.

It is an amenable number.

1031231203012 is a deficient number, since it is larger than the sum of its proper divisors (781093929788).

1031231203012 is a wasteful number, since it uses less digits than its factorization.

1031231203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71475 (or 71473 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031231203012 its reverse (2103021321301), we get a palindrome (3134252524313).

The spelling of 1031231203012 in words is "one trillion, thirty-one billion, two hundred thirty-one million, two hundred three thousand, twelve".