1203431232312 has 24 divisors (see below), whose sum is σ = 3259292921040. Its totient is φ = 401143744080.

The previous prime is 1203431232307. The next prime is 1203431232371. The reversal of 1203431232312 is 2132321343021.

1203431232312 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 4 + 312 + 32 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8357161264 + ... + 8357161407.

It is an arithmetic number, because the mean of its divisors is an integer number (135803871710).

Almost surely, 2^{1203431232312} is an apocalyptic number.

1203431232312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203431232312 is an abundant number, since it is smaller than the sum of its proper divisors (2055861688728).

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

1203431232312 is a wasteful number, since it uses less digits than its factorization.

1203431232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16714322683 (or 16714322676 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1203431232312 its reverse (2132321343021), we get a palindrome (3335752575333).

The spelling of 1203431232312 in words is "one trillion, two hundred three billion, four hundred thirty-one million, two hundred thirty-two thousand, three hundred twelve".