1203103212312 has 32 divisors (see below), whose sum is σ = 3018939303600. Its totient is φ = 399543567744.

The previous prime is 1203103212299. The next prime is 1203103212359. The reversal of 1203103212312 is 2132123013021.

It is a congruent number.

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, 93170683 + ... + 93183594.

Almost surely, 2^{1203103212312} is an apocalyptic number.

1203103212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203103212312 is an abundant number, since it is smaller than the sum of its proper divisors (1815836091288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203103212312 is a wasteful number, since it uses less digits than its factorization.

1203103212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186354555 (or 186354551 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1203103212312 its reverse (2132123013021), we get a palindrome (3335226225333).

The spelling of 1203103212312 in words is "one trillion, two hundred three billion, one hundred three million, two hundred twelve thousand, three hundred twelve".