13242040312 has 8 divisors (see below), whose sum is σ = 24828825600. Its totient is φ = 6621020152.

The previous prime is 13242040289. The next prime is 13242040319. The reversal of 13242040312 is 21304024231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242040319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827627512 + ... + 827627527.

It is an arithmetic number, because the mean of its divisors is an integer number (3103603200).

Almost surely, 2^13242040312 is an apocalyptic number.

It is an amenable number.

13242040312 is a deficient number, since it is larger than the sum of its proper divisors (11586785288).

13242040312 is a wasteful number, since it uses less digits than its factorization.

13242040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655255045 (or 1655255041 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13242040312 its reverse (21304024231), we get a palindrome (34546064543).

The spelling of 13242040312 in words is "thirteen billion, two hundred forty-two million, forty thousand, three hundred twelve".