1231243014312 has 96 divisors (see below), whose sum is σ = 3345393636000. Its totient is φ = 409090013568.

The previous prime is 1231243014299. The next prime is 1231243014317. The reversal of 1231243014312 is 2134103421321.

1231243014312 is a `hidden beast` number, since 1 + 2 + 312 + 4 + 30 + 1 + 4 + 312 = 666.

It is not an unprimeable number, because it can be changed into a prime (1231243014317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29086939 + ... + 29129237.

It is an arithmetic number, because the mean of its divisors is an integer number (34847850375).

Almost surely, 2^{1231243014312} is an apocalyptic number.

1231243014312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231243014312 is an abundant number, since it is smaller than the sum of its proper divisors (2114150621688).

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

1231243014312 is a wasteful number, since it uses less digits than its factorization.

1231243014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43607 (or 43600 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1231243014312 its reverse (2134103421321), we get a palindrome (3365346435633).

The spelling of 1231243014312 in words is "one trillion, two hundred thirty-one billion, two hundred forty-three million, fourteen thousand, three hundred twelve".